Explore our collection of articles about system prompts.
A practical 2026 prompt engineering checklist with success criteria, structured inputs, copy-paste templates, and lightweight evals for ChatGPT, Claude, and Gemini.
Learn Claude prompt engineering with Anthropic-specific best practices: clear system prompts, structured inputs, few-shot examples, and quick self-checks for more consistent outputs.
GPT-5.1 (November 2025) changed how it treats rules, tone, and next steps. Here’s what to update in your system prompts, with before/after examples you can copy.
