Documented system prompts from Anthropic - Claude Fable 5.1, Opus 5.5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google - Gemini 3.8 Flash, 3.1 Pro, Antigravity. xAI - Grok, Grok Bot, Cursor, Kimi and more! Updated regularly.
# System Prompts Leaks
The full verbatim system prompts behind the most popular chatbots in the world. Carefully curated and complete. Feel free to open up a PR or get in contact if you got a different result.
[](https://github.com/asgeirtj/system_prompts_leaks/stargazers) [](https://github.com/asgeirtj/system_prompts_leaks/forks) [](https://github.com/asgeirtj/system_prompts_leaks/commits/main) [](https://github.com/asgeirtj/system_prompts_leaks/commits/main) [](https://github.com/asgeirtj/system_prompts_leaks/pulls) [](mailto:asgeirtj@gmail.com) [](https://x.com/asgeirtj)
**The Washington Post** built its interactive story on prompts from this repo: [See the hidden rules behind AI. Then use them to rewrite this article.](https://archive.today/pYtPk) (May 11, 2026)
**CEPS' AI World** built an interactive breakdown of what is inside system prompts, topic by topic, from this repo's files: [System prompts and what they tell us about the chat before the chat](https://aiworld.eu/story/system-prompts-and-what-they-tell-us-about-the-chat-before-the-chat) (July 10, 2026)
**Simon Willison** calls it "the most thorough leaked system prompt collection I know of": [ChatGPT search now uses the site: operator at scale](https://simonwillison.net/2026/Aug/20/chatgpt-search-now-uses-the-siteoperator-at-scale/) (August 20, 2026)