Official Docs
Beginner
OpenAI · Prompting & Apps
OpenAI's official prompt engineering guide, distilling six core strategies with plenty of positive and negative examples. Short and sharp.
Free Tutorial
Beginner
★ Featured
DAIR.AI · Prompting & Apps
The most systematic open-source prompt engineering tutorial. The Chinese edition covers fundamental techniques, RAG, Agents, and adversarial safety.
Free Tutorial
Beginner
Sander Schulhoff 等 · Prompting & Apps
A veteran prompt engineering learning site, now grown into a course platform with free and paid courses on prompt engineering, AI safety, and more. A classic starting point.
Official Docs
Beginner
Anthropic · Prompting & Apps
Anthropic's official guide to prompt engineering, moving from clear instructions to chain of thought; the techniques transfer to other models.
Official Course
Beginner
DeepLearning.AI · Prompting & Apps
A one-hour prompt engineering short course by Andrew Ng and OpenAI, teaching the two guiding principles of prompt design.
Free Tutorial
Intermediate
Brex · Prompting & Apps
A prompt engineering handbook from the Brex team, distilling battle-tested techniques and anti-patterns from production.