{"slug": "the-four-parts-of-a-prompt-you-can-actually-trust", "title": "The four parts of a prompt you can actually trust", "summary": "A developer identified a reliable prompt pattern after shipping many AI features: every trustworthy prompt includes a role, a task, constraints, and an exact output format. A specific prompt on a cheap model consistently outperformed a vague prompt on an expensive one.", "body_md": "After shipping a lot of AI features, the pattern that separated reliable prompts from flaky ones was simple: every reliable prompt names a **role**, one **task**, its **constraints**, and the exact **output format**. A specific prompt on a cheap model consistently beat a vague prompt on an expensive one.\n\nFull write-up with examples (classification, extraction, chain-of-thought, structured JSON): [https://www.aiappsapi.com/articles/prompt-engineering.php](https://www.aiappsapi.com/articles/prompt-engineering.php)", "url": "https://wpnews.pro/news/the-four-parts-of-a-prompt-you-can-actually-trust", "canonical_source": "https://dev.to/paulcrinigan/the-four-parts-of-a-prompt-you-can-actually-trust-1nda", "published_at": "2026-07-19 02:16:10+00:00", "updated_at": "2026-07-19 02:59:46.010798+00:00", "lang": "en", "topics": ["large-language-models", "ai-tools", "developer-tools"], "entities": [], "alternates": {"html": "https://wpnews.pro/news/the-four-parts-of-a-prompt-you-can-actually-trust", "markdown": "https://wpnews.pro/news/the-four-parts-of-a-prompt-you-can-actually-trust.md", "text": "https://wpnews.pro/news/the-four-parts-of-a-prompt-you-can-actually-trust.txt", "jsonld": "https://wpnews.pro/news/the-four-parts-of-a-prompt-you-can-actually-trust.jsonld"}}