Simon Willison’s Weblog

Prompt Engineering. Extremely detailed introduction to the field of prompt engineering by Lilian Weng, who leads applied research at OpenAI.

Posted 21st March 2023 at 5:12 pm

Recent articles

JustHTML is a fascinating example of vibe engineering in action - 14th December 2025
OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
GPT-5.2 - 11th December 2025

ai 1734 openai 374 prompt-engineering 175 generative-ai 1531 llms 1497

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