{"id":78313,"date":"2025-12-19T07:00:00","date_gmt":"2025-12-19T15:00:00","guid":{"rendered":"https:\/\/dhblog.dream.press\/blog\/?p=78313"},"modified":"2026-03-10T08:15:24","modified_gmt":"2026-03-10T15:15:24","slug":"claude-prompt-engineering","status":"publish","type":"post","link":"https:\/\/www-dev.dreamhost.com\/blog\/claude-prompt-engineering\/","title":{"rendered":"We Tested 25 Popular Claude Prompt Techniques: These 5 Actually Work"},"content":{"rendered":"\n<p>When Claude Sonnet 4.5 <a href=\"https:\/\/www.anthropic.com\/news\/claude-sonnet-4-5\" target=\"_blank\">launched in September 2025<\/a>, it broke a lot of the existing prompts.&nbsp;Not because the release was buggy. But because Anthropic had rebuilt how Claude follows instructions.<\/p>\n\n\n\n<p>Earlier versions would <em>infer your intent<\/em> and expand on vague requests. Claude 4.x takes you literally and does exactly what you ask for, nothing more.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1003\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials.webp\" alt=\"Two testimonial cards from GitHub and HackerOne highlight Claude Sonnet 4.5 improving code reasoning, security accuracy, and vulnerability intake time.\" class=\"wp-image-78321 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials-300x188.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials-1024x642.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials-768x481.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials-1536x963.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials-600x376.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials-1200x752.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials-730x458.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials-1460x915.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials-784x491.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials-1568x983.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/01_claude_testimonials-877x550.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1003;\" \/><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/www.anthropic.com\/claude\/sonnet\" target=\"_blank\" rel=\"noreferrer noopener\">Source<\/a><\/figcaption><\/figure>\n\n\n\n<p>To understand the new methods, we evaluated 25 popular prompt engineering techniques against Anthropic\u2019s docs, community experiments, and real-world deployments to find which prompts actually work better with Claude 4.x. These five techniques<\/p>\n\n\n<div class=\"tldr-block\" style=\"display: none;\">\n\t<div class=\"svg\">\n\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 119.25 37.8\">\n\t<g>\n\t\t<g>\n\t\t\t<path fill=\"#ffffff\" d=\"M23.4,6.93h-8.1v24.57h-7.2V6.93H0V0h23.4v6.93Z\" \/>\n\t\t\t<path fill=\"#ffffff\" d=\"M45,24.57v6.93h-18.45V0h7.2v24.57h11.25Z\" \/>\n\t\t\t<path fill=\"#ffffff\"\n\t\t\t\td=\"M90.9,15.75c0,8.91-6.61,15.75-15.3,15.75h-12.6V0h12.6c8.68,0,15.3,6.84,15.3,15.75ZM83.97,15.75c0-5.4-3.42-8.82-8.37-8.82h-5.4v17.64h5.4c4.95,0,8.37-3.42,8.37-8.82Z\" \/>\n\t\t\t<path fill=\"#ffffff\"\n\t\t\t\td=\"M105.57,21.15h-3.42v10.35h-7.2V0h12.6c5.98,0,10.8,4.81,10.8,10.8,0,3.87-2.34,7.38-5.81,9.13l6.71,11.56h-7.74l-5.94-10.35ZM102.15,14.85h5.4c1.98,0,3.6-1.75,3.6-4.05s-1.62-4.05-3.6-4.05h-5.4v8.1Z\" \/>\n\t\t<\/g>\n\t\t<path\n\t\t\tfill=\"#0173ec\"\n\t\t\td=\"M53.97,37.8h-5.4l1.8-13.27h7.2l-3.6,13.27ZM49.02,12.55c0-2.34,1.93-4.27,4.27-4.27s4.27,1.94,4.27,4.27-1.93,4.27-4.27,4.27-4.27-1.94-4.27-4.27Z\"\n\t\t \/>\n\t<\/g>\n<\/svg>\n\t<\/div>\n\t<div class=\"tldr-wrap\">\n\t\t\n\n<ul class=\"wp-block-list\">\n<li>Discover which <a href=\"https:\/\/www.dreamhost.com\/blog\/ai-prompts\/\">prompting techniques<\/a> deliver measurable performance improvements for Claude Sonnet 4.5 and Opus 4.1<\/li>\n\n\n\n<li>The behavioral shift from Claude 3.5 to Claude 4.x that has invalidated existing prompts (we\u2019ll show you which ones)<\/li>\n\n\n\n<li>Read before\/after examples showing real effectiveness differences with specific metrics.<\/li>\n\n\n\n<li>Learn about five proven techniques backed by testing data and corporate deployments.<\/li>\n\n\n\n<li>Finally, we\u2019ll show you how to migrate prompts from Claude 3.5 to Claude 4.x systems.<\/li>\n<\/ul>\n\n\n\t<\/div>\n<\/div>\n\n\n<h2 id=\"h-what-changed-in-claude-4-5-that-broke-existing-prompts\" class=\"wp-block-heading\">What Changed in Claude 4.5 That Broke Existing Prompts?<\/h2>\n\n\n\n<p><a target=\"_blank\" href=\"https:\/\/www.dreamhost.com\/blog\/claude-ai\/\">Claude 4.5 models<\/a> prioritize precise instructions over &#8220;helpful&#8221; guessing.<\/p>\n\n\n\n<p>The previous versions would fill in the blanks for you. If you asked for a &#8220;dashboard,&#8221; they assumed you wanted charts, filters, and data tables.<\/p>\n\n\n\n<p>Claude 4.5 takes you literally. If you ask for a dashboard, it might give you a blank frame with a title because you didn&#8217;t ask for the rest.<\/p>\n\n\n\n<p><a target=\"_blank\" href=\"https:\/\/docs.claude.com\/en\/docs\/build-with-claude\/prompt-engineering\/claude-4-best-practices\">Anthropic clearly states<\/a>: <em>&#8220;Customers who desire the \u2018above and beyond\u2019 behavior might need to more explicitly request these behaviors.&#8221;<\/em><\/p>\n\n\n\n<p>So, we need to stop treating the model like a magic wand and start treating it like a literal-minded employee.<\/p>\n\n\n\n<div class=\"liftoff-cta-card\">\n\t<div class=\"line\">\n\t\t<svg width=\"834\" height=\"469\" viewBox=\"0 0 834 469\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path opacity=\"0.7\" d=\"M865.739 -59.8017C865.739 -59.8017 832.792 123.045 744.31 182.376C655.829 241.707 562.417 143.097 474.164 202.767C386.505 262.036 442.275 384.659 354.504 443.76C266.434 503.061 98.0198 364.278 4.7754 318.308\" stroke=\"url(#paint0_linear_8_19)\" stroke-opacity=\"0.25\" stroke-width=\"19.8\"\/>\n<defs>\n<linearGradient id=\"paint0_linear_8_19\" x1=\"918.374\" y1=\"-112.088\" x2=\"147.486\" y2=\"548.265\" gradientUnits=\"userSpaceOnUse\">\n<stop offset=\"0.0576923\"\/>\n<stop offset=\"0.350962\" stop-color=\"#0073EC\"\/>\n<stop offset=\"0.825067\" stop-color=\"#C265FE\"\/>\n<stop offset=\"1\"\/>\n<\/linearGradient>\n<\/defs>\n<\/svg>\n\n\t<\/div>\n\t<div class=\"liftoff-cta-card__content\">\n\t\t<div class=\"headline_1\">\n\t\t\t\n<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"32\" height=\"32\" viewBox=\"0 0 32 32\" fill=\"none\">\n<path d=\"M24.0006 16.0019C19.5835 16.0019 16.0015 19.5839 16.0015 24.001V32.0001H32.003V15.9985H24.0039L24.0006 16.0019Z\" fill=\"url(#paint0_linear_3747_604)\"\/>\n<path d=\"M16.0015 7.99911V0H0V16.0016H7.99906C12.4162 16.0016 15.9981 12.4196 15.9981 8.00247L16.0015 7.99911Z\" fill=\"url(#paint1_linear_3747_604)\"\/>\n<path d=\"M7.99902 16.002C12.4168 16.002 15.998 19.5832 15.998 24.001C15.9979 28.4186 12.4167 32 7.99902 32C3.58137 32 0.000149208 28.4186 0 24.001C0 19.5832 3.58128 16.002 7.99902 16.002ZM24.001 0C28.4185 0.000241972 32 3.58143 32 7.99902C32 12.4167 28.4185 15.9978 24.001 15.998C19.5832 15.998 16.002 12.4168 16.002 7.99902C16.002 3.58128 19.5832 0 24.001 0Z\" fill=\"url(#paint2_linear_3747_604)\"\/>\n<rect x=\"8\" y=\"8\" width=\"16\" height=\"16\" fill=\"#FFFFFF\"\/>\n<path d=\"M16.0015 7.99902H24.0006V15.9981C19.5835 15.9981 16.0015 12.4128 16.0015 7.99902Z\" fill=\"#18181B\"\/>\n<path d=\"M7.99908 16.0015L7.99908 8.00235H15.9981C15.9981 12.4195 12.4128 16.0015 7.99908 16.0015Z\" fill=\"#18181B\"\/>\n<path d=\"M16.0015 24.0005H8.00246V16.0014C12.4196 16.0014 16.0015 19.5867 16.0015 24.0005Z\" fill=\"#18181B\"\/>\n<path d=\"M24.0007 16.0015V24.0006H16.0016C16.0016 19.5835 19.5869 16.0015 24.0007 16.0015Z\" fill=\"#18181B\"\/>\n<defs>\n<linearGradient id=\"paint0_linear_3747_604\" x1=\"16.0001\" y1=\"16.0002\" x2=\"32.0001\" y2=\"32.0002\" gradientUnits=\"userSpaceOnUse\">\n<stop stop-color=\"#A1A1AA\"\/>\n<stop offset=\"1\" stop-color=\"#C7C7CD\"\/>\n<\/linearGradient>\n<linearGradient id=\"paint1_linear_3747_604\" x1=\"0\" y1=\"0\" x2=\"16\" y2=\"16\" gradientUnits=\"userSpaceOnUse\">\n<stop offset=\"0.251049\" stop-color=\"#C7C7CD\"\/>\n<stop offset=\"1\" stop-color=\"#A1A1AA\"\/>\n<\/linearGradient>\n<linearGradient id=\"paint2_linear_3747_604\" x1=\"-11.3782\" y1=\"44.9411\" x2=\"-8.40086\" y2=\"-18.7449\" gradientUnits=\"userSpaceOnUse\">\n<stop stop-color=\"#BE59FF\"\/>\n<stop offset=\"0.19\" stop-color=\"#9D60FF\"\/>\n<stop offset=\"0.74\" stop-color=\"#4274FF\"\/>\n<stop offset=\"1\" stop-color=\"#1F7CFF\"\/>\n<\/linearGradient>\n<\/defs>\n<\/svg>\n\n\t\t\tMeet Remixer\n\t\t<\/div>\n\t\t<div class=\"headline_2\">You describe it. Remixer builds it.<\/div>\n\t\t<p>The AI website builder that turns conversation into designer-level sites. Free with hosting.<\/p>\n\t\t        <a\n            href=\"https:\/\/www.dreamhost.com\/remixer-website-builder\/\"\n                        class=\"btn btn--brand\"\n                                    target=\"_blank\"\n            rel=\"noopener noreferrer\"\n            >\n                            Start Free Trial                    <\/a>\n\n\t<\/div>\n\t<div class=\"tr-img-wrap-outer\"><img decoding=\"async\" data-skip-lazy class=\"\" src=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2026\/03\/remixer-screen.webp\" alt=\"DreamHost Remixer AI website builder\" \/><\/div>\n<\/div>\n\n\n<h2 id=\"h-the-5-proven-techniques-that-measurably-improve-claude-s-performance\" class=\"wp-block-heading\">The 5 Proven Techniques That Measurably Improve Claude&#8217;s Performance<\/h2>\n\n\n\n<p>Based on our research, these five techniques consistently delivered noticeable improvements in Claude&#8217;s performance for the tasks we threw at it.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-structured-and-labeled-prompts\">1. Structured and Labeled Prompts<\/h3>\n\n\n\n<p>Claude Sonnet 4.5&#8217;s system prompt uses structured prompts everywhere. Simon Willison <a href=\"https:\/\/simonwillison.net\/2025\/May\/25\/claude-4-system-prompt\/\" target=\"_blank\">dug into the system prompts<\/a> and found sections wrapped in tags like <code>&lt;behavior_instructions&gt;<\/code>, <code>&lt;artifacts_info&gt;<\/code>, and <code>&lt;knowledge_cutoff&gt;<\/code>.<\/p>\n\n\n\n<p>In fact, you could edit \u201c<em>Styles<\/em>\u201d to see Anthropic\u2019s structured prompting in action.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1315\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag.webp\" alt=\"Claude Sonnet 4.5 interface showing a style-instruction editor with detailed writing guidelines and example prompts for educational content.\" class=\"wp-image-78322 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag-300x247.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag-1024x842.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag-768x631.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag-1536x1262.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag-600x493.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag-1200x986.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag-730x600.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag-1460x1200.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag-784x644.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag-1568x1289.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/02_claude_sonnet_4_5_use_examples_tag-877x721.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1315;\" \/><\/figure>\n\n\n\n<p>What we can infer is, Claude was trained on structured prompts and knows how to parse them. <a target=\"_blank\" href=\"https:\/\/www.dreamhost.com\/blog\/xml-sitemap\/\">XML<\/a> works great, so does JSON or other labeled prompting.<\/p>\n\n\n\n<p><strong>Before<\/strong>:<br><em>Analyze this code for <\/em><a href=\"https:\/\/www.dreamhost.com\/blog\/secure-your-wordpress-website\/\" target=\"_blank\"><em>security vulnerabilities<\/em><\/a><em> and performance issues. Focus on authentication flows and database queries. Provide specific recommendations with code examples.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1402\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_.webp\" alt=\"Security review output highlighting SQL injection and command-line input risks with examples of vulnerable and safer Python code.\" class=\"wp-image-78323 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_-300x263.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_-1024x897.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_-768x673.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_-1536x1346.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_-600x526.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_-1200x1052.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_-730x640.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_-1460x1279.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_-784x687.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_-1568x1374.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/03_before_without_xml_-877x768.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1402;\" \/><\/figure>\n\n\n\n<p><strong>After (structured prompt)<\/strong>:<\/p>\n\n\n\n<p>&lt;task&gt;Analyze the provided code for security and performance issues&lt;\/task&gt;<br>&lt;focus_areas&gt;<br>&#8211; Authentication flows<br>&#8211; Database query optimization<br>&lt;\/focus_areas&gt;<\/p>\n\n\n\n<p>&lt;code&gt;<br>[your code here]<br>&lt;\/code&gt;<\/p>\n\n\n\n<p>&lt;output_requirements&gt;<br>&#8211; Identify specific vulnerabilities with severity ratings<br>&#8211; Provide corrected code examples<br>&#8211; Prioritize recommendations by business impact<br>&lt;\/output_requirements&gt;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1587\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_.webp\" alt=\"Code analysis output using XML-wrapped instructions, highlighting critical SQL injection risks and showing vulnerable and corrected Python examples.\" class=\"wp-image-78324 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_-300x298.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_-1024x1016.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_-150x150.webp 150w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_-768x762.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_-1536x1524.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_-600x595.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_-1200x1190.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_-730x724.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_-1460x1448.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_-784x778.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_-1568x1555.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/04_after_with_xml_-877x870.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1587;\" \/><\/figure>\n\n\n\n<p>If you compare these outputs, you\u2019ll notice that the structured prompt gives an output with more context to help you understand and fix the security issues in the code. It explains the issue, tells what the fix does, and then provides the code fix.<\/p>\n\n\n\n<p><strong>Alternative Formats That Work:<\/strong><\/p>\n\n\n\n<p><strong>JSON:<\/strong><\/p>\n\n\n\n<p><code>{<br>\"task\": \"Review authentication code\",<br>\"focus_areas\": [\"Password hashing\", \"Session security\", \"SQL injection\"],<br>\"context\": \"Healthcare app, HIPAA required\",<br>\"output_format\": \"Risk, impact, fix, severity per vulnerability\"<\/code><\/p>\n\n\n\n<p><code>}<br>Clear Headers:<br>TASK: Review authentication code for vulnerabilities<br>FOCUS: Password hashing, sessions, SQL injection<br>CONTEXT: Healthcare app requiring HIPAA compliance<br>OUTPUT FORMAT: Risk \u2192 HIPAA impact \u2192 Fix \u2192 Severity<\/code><\/p>\n\n\n\n<p>All three work equally well.<\/p>\n\n\n\n<p><strong>When structured prompts work best<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Multiple prompt components (task, context, examples, requirements)<\/li>\n\n\n\n<li>Long inputs (10,000+ tokens of code or documents)<\/li>\n\n\n\n<li>Sequential workflows with distinct steps<\/li>\n\n\n\n<li>Tasks requiring repeated reference to specific sections<\/li>\n<\/ul>\n\n\n\n<p><strong>When to skip structured prompts<\/strong>: Simple questions where plain text works fine.<\/p>\n\n\n\n<p><strong>Effectiveness rating<\/strong>: 9\/10 for complex tasks, 5\/10 for simple queries.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Extended Thinking for Complex Problems<\/h3>\n\n\n\n<p>Extended Thinking delivers massive improvements on complex reasoning tasks with one major tradeoff: speed.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.anthropic.com\/news\/claude-4\" target=\"_blank\">Anthropic\u2019s Claude 4 announcement<\/a> showed substantial performance gains with extended thinking enabled. On the AIME 2025 math competition, scores improved significantly.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1293\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7.webp\" alt=\"Table comparing Claude Opus 4, Sonnet 4, and Sonnet 3.7 scores across coding, terminal coding, graduate reasoning, and tool-use benchmarks.\" class=\"wp-image-78325 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7-300x242.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7-1024x828.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7-768x621.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7-1536x1241.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7-600x485.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7-1200x970.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7-730x590.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7-1460x1180.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7-784x634.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7-1568x1267.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/05_claude_opus_4_versus_sonnet_4_versus_sonnet_3_7-877x709.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1293;\" \/><\/figure>\n\n\n\n<p>Cognition AI <a target=\"_blank\" href=\"https:\/\/cognition.ai\/blog\/devin-sonnet-4-5-lessons-and-challenges\">reported an 18% increase<\/a> in planning performance with Sonnet 4.5, calling it \u201cthe biggest jump we\u2019ve seen since Claude Sonnet 3.6.\u201d<\/p>\n\n\n\n<p><strong>Before (Standard mode)<\/strong>:<br><em>Solve this logic puzzle: Five houses in a row, each a different color\u2026<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1609\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_.webp\" alt=\"Screenshot of a logic-puzzle solution in standard mode, listing step-by-step deductions about house order, colors, drinks, cigars, and nationalities.\" class=\"wp-image-78326 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_-298x300.webp 298w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_-1018x1024.webp 1018w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_-150x150.webp 150w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_-768x772.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_-1527x1536.webp 1527w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_-600x603.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_-1200x1207.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_-730x734.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_-1460x1468.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_-784x788.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_-1568x1577.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/06_before_standard_mode_-877x882.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1609;\" \/><\/figure>\n\n\n\n<p><strong>After (with Extended Thinking)<\/strong>:<br><em>Understand the logic of this puzzle systematically. Go through the constraints step by step, checking each possibility before reaching conclusions.<\/em><br><em>Five houses in a row, each a different color\u2026<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1609\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_.webp\" alt=\"Screenshot of the extended-thinking puzzle solution showing a deeper step-by-step breakdown of house positions, colors, beverages, cigars, and deductions.\" class=\"wp-image-78327 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_-298x300.webp 298w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_-1018x1024.webp 1018w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_-150x150.webp 150w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_-768x772.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_-1527x1536.webp 1527w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_-600x603.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_-1200x1207.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_-730x734.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_-1460x1468.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_-784x788.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_-1568x1577.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/07_after_with_extended_thinking_-877x882.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1609;\" \/><\/figure>\n\n\n\n<p>You won\u2019t see much difference with simple prompts like the one above. But for complex, niche problems (custom codebases, multi-step logical planning), the difference becomes clear.<\/p>\n\n\n\n<p><strong>When extended thing works:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Multi-step logical planning requiring verification<\/li>\n\n\n\n<li>Mathematical reasoning with multiple solution paths<\/li>\n\n\n\n<li>Complex coding tasks spanning multiple files<\/li>\n\n\n\n<li>Situations where correctness matters more than speed<\/li>\n<\/ul>\n\n\n\n<p><strong>When to Skip<\/strong>: Quick iterations, simple queries, creative writing, time-sensitive tasks<\/p>\n\n\n\n<p><strong>Effectiveness rating<\/strong>:<strong> <\/strong>10\/10 for complex reasoning, 3\/10 for simple queries.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Be Brutally Specific About Requirements<\/h3>\n\n\n\n<p>Claude 4 models have been trained for more precise instruction-following than previous generations.<\/p>\n\n\n\n<p>Anthropic&#8217;s documentation says:<\/p>\n\n\n\n<p><em>&#8220;Claude 4.x models respond well to clear, explicit instructions. Being specific about your desired output can help enhance results. Customers who desire the &#8216;above and beyond&#8217; behavior from previous Claude models might need to more explicitly request these behaviors with newer models.&#8221;<\/em><\/p>\n\n\n\n<p><strong>The documentation also notes that Claude is smart enough to generalize from the explanation when you provide context for why rules exist rather than just stating commands. This means providing a rationale helps the model apply principles correctly in edge cases not explicitly covered.<\/strong><\/p>\n\n\n\n<p><a target=\"_blank\" href=\"https:\/\/eval.16x.engineer\/blog\/claude-4-opus-sonnet-evaluation-results\">Testing by 16x Eval<\/a> showed that both Opus 4 and Sonnet 4 scored 9.5\/10 on TODO tasks when instructions clearly specified requirements, format, and success criteria. The models demonstrated impressive conciseness and instruction-following capabilities.<\/p>\n\n\n\n<p><strong>Before (implicit expectations)<\/strong>:<br><em>Create an analytics dashboard.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1029\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_.webp\" alt=\"Screenshot labeled \u201cBefore (Implicit Expectations)\u201d showing an instruction-based interface on the left and a completed analytics dashboard on the right with revenue, users, conversions, and page views.\" class=\"wp-image-78328 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_-300x193.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_-1024x659.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_-768x494.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_-1536x988.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_-600x386.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_-1200x772.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_-730x469.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_-1460x939.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_-784x504.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_-1568x1008.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/08_before_implicit_expectations_-877x564.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1029;\" \/><\/figure>\n\n\n\n<p>You\u2019ll notice how this output is EXACTLY what we asked for. While Claude took a little bit of creative freedom in the aesthetics, it has no functionality.<\/p>\n\n\n\n<p><strong>After (explicit requirements)<\/strong>:<br><em>Create an analytics dashboard. Include as many relevant features and interactions as possible. Go beyond the basics to create a fully-featured implementation with data visualization, filtering capabilities, and export functions.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1135\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_.webp\" alt=\"Screenshot comparing instructions on the left with multiple generated analytics dashboards on the right, including charts and tables.\" class=\"wp-image-78329 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_-300x213.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_-1024x726.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_-768x545.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_-1536x1090.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_-600x426.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_-1200x851.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_-730x518.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_-1460x1036.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_-784x556.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_-1568x1112.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/09_after_explicit_requirements_-877x622.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1135;\" \/><\/figure>\n\n\n\n<p>This second output with a more descriptive prompt has more features, a dashboard built on some dummy data, which is both presented graphically and in a tabular format, and it has tabs to separate all the data.<\/p>\n\n\n\n<p>That\u2019s what being specific does with the latest Claude.<\/p>\n\n\n\n<p>To clarify this point even further, here&#8217;s another example showing how context improves instruction-following:<\/p>\n\n\n\n<p><strong>Before (command without context)<\/strong>:<br><em>NEVER use ellipses in your response.<\/em><\/p>\n\n\n\n<p><strong>After (context-motivated instruction)<\/strong>:<br><em>Your response will be read aloud by a text-to-speech engine, so avoid ellipses since the engine won&#8217;t know how to pronounce them.<\/em><\/p>\n\n\n\n<p><strong>Key principles for explicit instructions<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Define what &#8220;comprehensive&#8221; means for your specific task<\/strong>: Don&#8217;t assume Claude will infer quality standards.<\/li>\n\n\n\n<li><strong>Explain why rules exist rather than just stating them<\/strong>: Claude generalizes better from motivated instructions.<\/li>\n\n\n\n<li><strong>Specify the output format explicitly<\/strong>: Request &#8220;prose paragraphs&#8221; instead of hoping Claude won&#8217;t default to bullet points.<\/li>\n\n\n\n<li><strong>Provide concrete success criteria<\/strong>: What does task completion look like?<\/li>\n<\/ul>\n\n\n\n<p><strong>Effectiveness rating<\/strong>: 9\/10 across all task types.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Show Examples of What You Want<\/h3>\n\n\n\n<p>Few-shot prompting provides Claude with example inputs and outputs demonstrating the desired behavior. This works, but only when examples are high quality and task-appropriate, and the impact varies dramatically by use case.<\/p>\n\n\n\n<p><a target=\"_blank\" href=\"https:\/\/docs.anthropic.com\/en\/docs\/build-with-claude\/prompt-engineering\/claude-4-best-practices\">Anthropic&#8217;s official guidance<\/a> emphasizes:<\/p>\n\n\n\n<p><em>\u201cClaude 4.x models pay close attention to details and examples as part of their precise instruction following. Ensure your examples align with behaviors you want to encourage and minimize behaviors you want to avoid.\u201d<\/em><\/p>\n\n\n\n<p><a target=\"_blank\" href=\"https:\/\/docs.anthropic.com\/en\/docs\/build-with-claude\/prompt-engineering\/multishot-prompting\"><strong>Anthropic recommends<\/strong><\/a><strong> 3-5 diverse, relevant examples for complex tasks. More examples equals better performance.<\/strong><\/p>\n\n\n\n<p>Here\u2019s an example of what that looks like in practice:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1426\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples.webp\" alt=\"Screenshot of a LinkedIn post draft critiquing hosting providers, with red underline highlighting spelling error &quot;sysadmin&quot; and label pointing out missing few-shot examples.\" class=\"wp-image-78330 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples-300x267.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples-1024x913.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples-768x684.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples-1536x1369.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples-600x535.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples-1200x1070.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples-730x651.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples-1460x1301.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples-784x699.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples-1568x1397.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/10_without_few_shot_examples-877x782.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1426;\" \/><\/figure>\n\n\n\n<p>Here, Claude took creative freedom with format, emoji usage, messaging, and tone. Generic corporate speak<\/p>\n\n\n\n<p>Adding examples works because they show rather than tell, while clarifying the subtle requirements that are difficult to express through description alone.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1437\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples.webp\" alt=\"Screenshot of LinkedIn post creation showing example about website speed and WordPress security, with arrow highlighting Example 1 and label indicating inclusion of few-shot examples.\" class=\"wp-image-78331 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples-300x269.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples-1024x920.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples-768x690.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples-1536x1380.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples-600x539.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples-1200x1078.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples-730x656.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples-1460x1311.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples-784x704.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples-1568x1408.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/11_with_few_shot_examples-877x788.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1437;\" \/><\/figure>\n\n\n\n<p>This output sticks more closely to the examples I\u2019ve provided in the prompt. You can use the few-shot examples method to get <a target=\"_blank\" href=\"https:\/\/www.dreamhost.com\/blog\/how-to-create-linkedin-company-page\/\">LinkedIn posts<\/a> like your best-performing ones. An academic paper on <a target=\"_blank\" href=\"https:\/\/arxiv.org\/html\/2506.00001\">Finite State Machine (FSM) design<\/a> showed structured examples achieved 90% success rate compared to instructions without examples.<\/p>\n\n\n\n<p><strong>How to Implement:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Wrap examples in &lt;example&gt; tags, grouped in &lt;examples&gt; tags<\/li>\n\n\n\n<li>Place examples early in the first user message<\/li>\n\n\n\n<li>Use 3-5 diverse examples for complex tasks<\/li>\n\n\n\n<li>Match every detail in examples to desired output (Claude 4.x replicates naming conventions, code style, formatting, punctuation)<\/li>\n\n\n\n<li>Avoid redundant examples<\/li>\n<\/ul>\n\n\n\n<p><strong>When Examples Work Best:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Data formatting requiring precise structure<\/li>\n\n\n\n<li>Complex coding patterns needing specific approaches<\/li>\n\n\n\n<li>Analytical tasks demonstrating reasoning methods<\/li>\n\n\n\n<li>Output requiring consistent style and conventions<\/li>\n<\/ul>\n\n\n\n<p><strong>When to Skip:<\/strong> Simple queries where instructions suffice, or when you want Claude to use its own judgment.<\/p>\n\n\n\n<p><strong>Effectiveness rating:<\/strong> 10\/10 for formatting tasks, 6\/10 for simple queries.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Put Context Before Your Question<\/h3>\n\n\n\n<p>Claude has a 200,000-token context window (up to 1 million in some cases) and can understand queries placed anywhere in the context. But <a target=\"_blank\" href=\"https:\/\/docs.anthropic.com\/en\/docs\/build-with-claude\/prompt-engineering\/long-context-tips\">Anthropic&#8217;s documentation<\/a> recommends placing long documents (20,000+ tokens) at the top of prompts, before queries.<\/p>\n\n\n\n<p>Testing showed this improves response quality by up to 30% compared to query-first ordering, especially with complex, multi-document inputs.<\/p>\n\n\n\n<p>Why? Claude\u2019s attention mechanisms weight content toward the end of prompts higher. Placing the question after context lets the model reference earlier material while generating responses..<\/p>\n\n\n\n<p><strong>Before (query-first)<\/strong>:<br><em>Analyze the quarterly financial performance and identify key trends.<\/em><br><em>[20,000 tokens of financial data]<\/em><\/p>\n\n\n\n<p><strong>After (context-first)<\/strong>:<br><em>[20,000 tokens of financial data]<\/em><br><em>Based on the quarterly financial data provided above, analyze performance and identify key trends in revenue growth, margin expansion, and operating efficiency. Focus on actionable insights for executive decision-making.<\/em><\/p>\n\n\n\n<p><strong>When this matters<\/strong>: Long-context analysis where Claude needs to reference earlier material extensively.<\/p>\n\n\n\n<p><strong>When to Skip:<\/strong> Short prompts under 5,000 tokens.<\/p>\n\n\n\n<p><strong>Effectiveness rating<\/strong>: 8\/10 for long-context tasks, 4\/10 for short prompts.<\/p>\n\n\n<div class=\"single__related-article\">\n\t<span>Related Article<\/span>\n\t<div class=\"single__related-article__wrap\">\n\t\t<div class=\"single__related-article__title\">\n\t\t\t12 Smart Ways To Boost Your Productivity With AI\n\t\t<\/div>\n\t\t<a href=\"https:\/\/www-dev.dreamhost.com\/blog\/boost-productivity\/\" class=\"btn btn--sm btn--brand\" target=\"_blank\" rel=\"noopener\">\n\t\t\tRead More\n\t\t<\/a>\n\t<\/div>\n<\/div>\n\n\n<h2 id=\"h2_what-prompting-techniques-dont-work-anymore-busting-common-myths\" class=\"wp-block-heading\">What Prompting Techniques Don\u2019t Work Anymore: Busting Common Myths<\/h2>\n\n\n\n<p>Claude 4.5\u2019s changes invalidated several popular techniques that worked with earlier models.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Emphasis Words (ALL CAPS, \u201cMUST,\u201d \u201cALWAYS\u201d)<\/h3>\n\n\n\n<p>Writing in all caps no longer guarantees compliance. Chris Tyson\u2019s analysis found Claude now prioritizes context and logic over emphasis.<\/p>\n\n\n\n<p>If you write \u201cNEVER fabricate data\u201d but the context implies you need an estimate, Claude 4.5 prioritizes the logical need over your capitalized command.<\/p>\n\n\n\n<p><strong>Use conditional logic instead:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bad<\/strong>: ALWAYS use exact numbers!&nbsp;<\/li>\n\n\n\n<li><strong>Good<\/strong>: If verified data is available, use precise figures. If not, provide ranges and label them as estimates.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Manual Chain-of-Thought Instructions<\/h3>\n\n\n\n<p>Telling the model to \u201cthink step-by-step\u201d wastes tokens when using Extended Thinking mode.<\/p>\n\n\n\n<p>When you enable Extended Thinking, the model manages its own reasoning budget. Adding your own \u201cstep-by-step\u201d instructions is redundant.<\/p>\n\n\n\n<p><strong>What to do instead:<\/strong><\/p>\n\n\n\n<p>Trust the tool. If you enable Extended Thinking, remove all instructions about how to think.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Negative Constraints (\u201cDon\u2019t Do X\u201d)<\/h3>\n\n\n\n<p>Telling Claude exactly what not to do often backfires.<\/p>\n\n\n\n<p><a target=\"_blank\" href=\"https:\/\/www.synthlabs.ai\/research\/direct-principle-feedback\">Research on &#8220;Pink Elephant&#8221; instructions<\/a> shows that telling an advanced model not to think about something increases the likelihood it will focus on it.<\/p>\n\n\n\n<p>Claude\u2019s attention mechanism highlights the forbidden concept, keeping it active in the context window.<\/p>\n\n\n\n<p><strong>Instead, reframe every negative as a positive command:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Bad<\/strong>: Do not write long, fluffy introductions. Don&#8217;t use words like &#8220;delve&#8221; or &#8220;tapestry.&#8221;&nbsp;<\/li>\n\n\n\n<li><strong>Good<\/strong>: Start directly with the core argument. Use concise, punchy language.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"h2_how-to-migrate-prompts-from-claude-3-5-to-claude-4\" class=\"wp-block-heading\">How To Migrate Prompts From Claude 3.5 to Claude 4?<\/h2>\n\n\n\n<p>If you\u2019re migrating from Claude 3.5 to 4.5, you can migrate your prompt library by following five systematic steps validated by developer experience.<\/p>\n\n\n\n<p>We will use a common hosting scenario for this example. The goal is to generate a technical support response for a customer experiencing a &#8220;503 Service Unavailable&#8221; error on their WordPress site.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1167\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5.webp\" alt=\"Five-step process for migrating prompts to Claude 4.5: audit assumptions, refactor for specificity, add conditional logic, remove prescriptive language, and validate output.\" class=\"wp-image-78332 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5-300x219.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5-1024x747.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5-768x560.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5-1536x1120.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5-600x438.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5-1200x875.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5-730x532.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5-1460x1065.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5-784x572.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5-1568x1144.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/12_migrating_prompts_to_claude_4_5-877x640.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1167;\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">1. Audit Implicit Assumptions<\/h3>\n\n\n\n<p>Begin by identifying where the prompt relies on the model to guess the context. In older versions, the model would infer you were using the most common software stack. Claude 4.5 will not make that leap.<\/p>\n\n\n\n<p><strong>Legacy Prompt:<\/strong><br><em>&#8220;My website is loading slowly and showing errors. You are an expert server administrator. Think step by step and tell me how to fix the configuration to make it faster.&#8221;<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1502\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit.webp\" alt=\"Audit Implicit Assumptions\" class=\"wp-image-78316 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit-300x282.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit-1024x961.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit-768x721.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit-1536x1442.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit-600x563.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit-1200x1127.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit-730x685.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit-1460x1371.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit-784x736.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit-1568x1472.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/13_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_1_audit-877x823.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1502;\" \/><\/figure>\n\n\n\n<p><strong>The Audit:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&#8220;Website&#8221; implies a generic setup rather than a specific CMS (WordPress).<\/li>\n\n\n\n<li>&#8220;Slowly&#8221; is subjective; it could mean high Time to First Byte or slow asset rendering.<\/li>\n\n\n\n<li>&#8220;Errors&#8221; lacks the specific HTTP status codes needed for diagnosis.<\/li>\n\n\n\n<li>&#8220;Expert server administrator&#8221; and &#8220;Think step by step&#8221; are unnecessary steering instructions.<\/li>\n<\/ul>\n\n\n\n<p>In the response, Claude 4.5 asks for more information as it\u2019s trained to avoid making assumptions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Refactor for Explicit Specificity<\/h3>\n\n\n\n<p>Now, rewrite the prompt to define the environment, the specific problem, and the desired output format. You must supply the technical details the model previously guessed.<\/p>\n\n\n\n<p><strong>Refactored Prompt:<\/strong><br><em>&#8220;My WordPress site running on Nginx and Ubuntu 20.04 is experiencing high Time to First Byte (TTFB) and occasional 502 Bad Gateway errors. You are an expert server administrator. Think step by step and provide specific Nginx and PHP-FPM configuration changes to resolve these timeouts.&#8221;<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1502\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor.webp\" alt=\"Refactor for Explicit Specificity\" class=\"wp-image-78317 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor-300x282.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor-1024x961.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor-768x721.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor-1536x1442.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor-600x563.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor-1200x1127.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor-730x685.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor-1460x1371.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor-784x736.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor-1568x1472.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/14_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_2_refactor-877x823.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1502;\" \/><\/figure>\n\n\n\n<p><strong>The Result: <\/strong>The prompt now specifies the exact software stack (Nginx, Ubuntu, WordPress) and the specific error (502 Bad Gateway), reducing the chance of irrelevant advice about Apache or IIS. And Claude responds with an analysis and a step-by-step solution.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Implement Conditional Logic<\/h3>\n\n\n\n<p>Claude 4.5 excels when given a decision tree. Instead of asking for a single static solution, instruct the model to handle different scenarios based on the data it analyzes.<\/p>\n\n\n\n<p><strong>Prompt with Logic:<\/strong><br><em>&#8220;My WordPress site running on Nginx and Ubuntu 20.04 is experiencing high TTFB and 502 Bad Gateway errors. You are an expert server administrator. Think step by step.<\/em><br><em>If the error logs show &#8216;upstream sent too big header&#8217;, provide configuration changes for buffer sizes. If the error logs show &#8216;upstream timed out&#8217;, provide configuration changes for execution time limits.&#8221;<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1502\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic.webp\" alt=\"Implement Conditional Logic\" class=\"wp-image-78318 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic-300x282.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic-1024x961.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic-768x721.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic-1536x1442.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic-600x563.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic-1200x1127.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic-730x685.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic-1460x1371.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic-784x736.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic-1568x1472.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/15_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_3_conditinal_logic-877x823.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1502;\" \/><\/figure>\n\n\n\n<p><strong>The Result<\/strong>: The output becomes dynamic. The model provides targeted solutions based on the specific root cause logic you defined, rather than a generic list of fixes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Remove Outdated Steering Language<\/h3>\n\n\n\n<p>Legacy prompts often contain thinking instructions that users believed improved performance. These are unnecessary and redundant with Claude 4.5 as it has extended thinking.<\/p>\n\n\n\n<p><strong>Cleaned Prompt:<\/strong><br><em>&#8220;My WordPress site running on Nginx and Ubuntu 20.04 is experiencing high TTFB and 502 Bad Gateway errors.<\/em><br><em>If the error logs show &#8216;upstream sent too big header&#8217;, provide configuration changes for buffer sizes. If the error logs show &#8216;upstream timed out&#8217;, provide configuration changes for execution time limits.&#8221;<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1502\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language.webp\" alt=\"Remove Outdated Steering Language\" class=\"wp-image-78319 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language-300x282.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language-1024x961.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language-768x721.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language-1536x1442.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language-600x563.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language-1200x1127.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language-730x685.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language-1460x1371.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language-784x736.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language-1568x1472.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/16_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_4_steering_language-877x823.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1502;\" \/><\/figure>\n\n\n\n<p><strong>The Result<\/strong>: A leaner prompt that focuses purely on the technical task, removing the distraction of &#8220;You are an expert&#8221; and &#8220;Think step by step.&#8221;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Test Systematically<\/h3>\n\n\n\n<p>Assemble the components into a structured format using XML or clear headers. This matches the training data of the model and yields the most consistent results.<\/p>\n\n\n\n<p><code>ROLE: Linux System Administrator specializing in Nginx and WordPress performance.<br>TASK: Resolve 502 Bad Gateway errors and reduce Time to First Byte (TTFB) for a WordPress site on Ubuntu 20.04.<br>LOGIC:<br>- If logs show 'upstream sent too big header', increase fastcgi_buffer_size and fastcgi_buffers.<br>- If logs show 'upstream timed out', increase fastcgi_read_timeout in nginx.conf and request_terminate_timeout in www.conf.<br>OUTPUT REQUIREMENTS:<br>- Provide exact configuration lines to change.<br>- Explain the impact of each change on server memory.<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1600\" height=\"1595\" data-src=\"https:\/\/www.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test.webp\" alt=\"Test Systematically\" class=\"wp-image-78320 lazyload\" data-srcset=\"https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test.webp 1600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test-300x300.webp 300w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test-1024x1021.webp 1024w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test-150x150.webp 150w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test-768x766.webp 768w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test-1536x1531.webp 1536w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test-600x598.webp 600w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test-1200x1196.webp 1200w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test-730x728.webp 730w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test-1460x1455.webp 1460w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test-784x782.webp 784w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test-1568x1563.webp 1568w, https:\/\/www-dev.dreamhost.com\/blog\/wp-content\/uploads\/2025\/12\/17_how_to_migrate_prompts_from_claude_3_5_to_claude_4_step_5_systematic_test-877x874.webp 877w\" data-sizes=\"(max-width: 1600px) 100vw, 1600px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1600px; --smush-placeholder-aspect-ratio: 1600\/1595;\" \/><\/figure>\n\n\n\n<p><strong>The Result: <\/strong>The response was more structured, allowed me to solve the problem with copy-pasteable config file data as requested and explained the solution better.<\/p>\n\n\n\n<h2 id=\"h2_what-this-means-for-your-workflow\" class=\"wp-block-heading\">What This Means for Your Workflow<\/h2>\n\n\n\n<p>Claude 4.x models work differently from earlier models. They follow your exact instructions instead of assuming what you meant, which helps when you need consistent results. The effort you spend on <a target=\"_blank\" href=\"https:\/\/www.dreamhost.com\/blog\/ai-prompts\/\">prompt engineering<\/a> in the beginning will pay off if you run the same task repeatedly.<\/p>\n\n\n\n<p>Each technique in this guide has been cherry-picked because it aligns closely with how Claude 4.x was built. XML tags, Extended Thinking mode, explicit instructions, few-shot examples, and a context-first approach work because, based on Claude\u2019s prompting guides and anecdotal evidence, that\u2019s likely how Anthropic has trained the models.<\/p>\n\n\n\n<p>So go ahead, pick one or two techniques from this guide and test them on your actual workflows. Measure what changes and what methods work in your favor. The best approach is the one backed by real data from your own day-to-day workflows.<\/p>\n\n\n\n<div class=\"article-newsletter article-newsletter--gradient\">\n\n\n<h2>Get Content Delivered Straight to Your Inbox<\/h2><p>Subscribe now to receive all the latest updates, delivered directly to your inbox.<\/p><form class=\"nwsl-form\" id=\"newsletter_block_\" novalidate><div class=\"messages\"><\/div><div class=\"form-group\"><label for=\"input_newsletter_block_\"><input type=\"email\"name=\"email\"id=\"input_newsletter_block_\"placeholder=\"Enter your email address\"novalidatedisabled=\"disabled\"\/><\/label><button type=\"submit\"class=\"btn btn--brand\"disabled=\"disabled\"><span>Sign Me Up!<\/span><svg width=\"21\" height=\"14\" viewBox=\"0 0 21 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n<path d=\"M13.8523 0.42524L12.9323 1.34521C12.7095 1.56801 12.7132 1.9304 12.9404 2.14865L16.7241 5.7823H0.5625C0.251859 5.7823 0 6.03416 0 6.3448V7.6573C0 7.96794 0.251859 8.2198 0.5625 8.2198H16.7241L12.9405 11.8535C12.7132 12.0717 12.7095 12.4341 12.9323 12.6569L13.8523 13.5769C14.072 13.7965 14.4281 13.7965 14.6478 13.5769L20.8259 7.39879C21.0456 7.17913 21.0456 6.82298 20.8259 6.60327L14.6477 0.42524C14.4281 0.205584 14.0719 0.205584 13.8523 0.42524Z\" fill=\"white\"\/>\n<\/svg>\n<\/button><\/div><\/form><\/div>","protected":false},"excerpt":{"rendered":"<p>We systematically tested 25 popular Claude prompt engineering techniques to see what actually works. Discover the 5 proven methods that measurably improve AI outputs, plus the surprising failures that waste your time<\/p>\n","protected":false},"author":1006,"featured_media":78315,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_metadesc":"We systematically tested 25 popular Claude prompt engineering techniques to see what actually works. Discover the 3 proven methods that measurably improve AI outputs, plus the surprising failures that waste your time","toc_headlines":"[[\"h-what-changed-in-claude-4-5-that-broke-existing-prompts\",\"What Changed in Claude 4.5 That Broke Existing Prompts?\"],[\"h-the-5-proven-techniques-that-measurably-improve-claude-s-performance\",\"The 5 Proven Techniques That Measurably Improve Claude's Performance\"],[\"h2_what-prompting-techniques-dont-work-anymore-busting-common-myths\",\"What Prompting Techniques Don\u2019t Work Anymore: Busting Common Myths\"],[\"h2_how-to-migrate-prompts-from-claude-3-5-to-claude-4\",\"How To Migrate Prompts From Claude 3.5 to Claude 4?\"],[\"h2_what-this-means-for-your-workflow\",\"What This Means for Your Workflow\"]]","hide_toc":false,"footnotes":""},"categories":[14839],"tags":[],"class_list":["post-78313","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.3 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>We Tested 25 Popular Claude Prompt Techniques: These 5 Actually Work - DreamHost Blog<\/title>\n<meta name=\"description\" content=\"We systematically tested 25 popular Claude prompt engineering techniques to see what actually works. 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