Prompt Engineering Guide (repo)
The source repository behind the guide, including notebooks you can run.
OPEN IT →Prompt Guide
Every prompt guide link in the ranking, ordered by what people actually open. All checked automatically.
Anthropic Cookbook
Working notebooks for the patterns that are hard to get right — tools, RAG, long context.
OPEN IT →OpenAI Cookbook
Runnable recipes rather than prose, maintained alongside the API.
OPEN IT →