asgeirtj/system_prompts_leaksCurated collection of extracted system prompts from major AI chatbots including Claude, ChatGPT, Gemini, Grok, and Copilot. Updated regularly with new model releases.
Thanks to
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. (May 11, 2026)
CEPS' AI World built a live data dashboard from this repo's files: System prompts and what they tell us about the chat before the chat (July 10, 2026)
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.
| What | Date | Link |
|---|---|---|
| Fable 5.1 Claude Code on the web (cloud) | September 30, 2026 | Claude Code on the web system prompt (Fable 5.1) |
| GPT-6.1-Sol Codex | September 29, 2026 | GPT-6.1-Sol Codex system prompt · ChatGPT Work local |
| Claude Sonnet 5.5 | September 29, 2026 | Claude Sonnet 5.5 system prompt |
| Sonnet 5.5 Claude Code | September 29, 2026 | Claude Code system prompt (Sonnet 5.5) |
| GPT-6-Sol Codex | September 27, 2026 | GPT-6-Sol Codex system prompt |
| GPT-6-Luna Codex | September 27, 2026 | GPT-6-Luna Codex system prompt |
| Fable 5.1 Claude Code Desktop | September 27, 2026 | Claude Code desktop app system prompt (Fable 5.1) |
| Claude Opus 5.5 | September 22, 2026 | Claude Opus 5.5 system prompt |
| Opus 5.5 Claude Code | September 22, 2026 | Claude Code system prompt (Opus 5.5) |
| Grok 4.7 | September 21, 2026 | Grok 4.7 system prompt (Grok CLI) |
| Claude Projects | September 21, 2026 | Claude Projects - Thread Claude system prompt |
| Claude Code Advisor tool | September 15, 2026 | Advisor tool prompts (both sides) |
| ChatGPT Work Codex (local) | September 13, 2026 | ChatGPT Work Codex local system prompt |
| Gemini 3.8 Flash | September 13, 2026 | Gemini 3.8 Flash system prompt |
| Fable 5.1 Claude Code headless | September 5, 2026 | Claude Code headless system prompt (Fable 5.1) |
| GPT-6-Astra Codex | September 4, 2026 | Codex GPT-6-Astra system prompt |
| Claude Fable 5.1 | September 1, 2026 | Claude Fable 5.1 system prompt · Claude Code (Fable 5.1) |
| Grok 4.6 | August 29, 2026 | Grok 4.6 system prompt |
| Grok Bot | August 21, 2026 | Grok Bot system prompt |
| Gemini 3.7 Flash | August 18, 2026 | Gemini 3.7 Flash system prompt |
| Muse Code (Meta's coding CLI) | August 17, 2026 | Muse Code system prompt |
| Claude Cowork (new capture + setup skills) | August 17, 2026 | Claude Cowork system prompt · setup skills |
| Claude Science | August 14, 2026 | Claude Science system prompt |
| GPT-5.6 Codex | July 26, 2026 | Codex GPT-5.6 system prompt |
| Grok 4.5 | July 26, 2026 | Grok 4.5 system prompt |
| Claude Opus 5 | July 24, 2026 | Claude Opus 5 system prompt · Claude Code (Opus 5) |
| Claude Design (full prompt + 53 tools + 22 skills + 10 starter components) | July 23, 2026 | Claude Design system prompt · skills · starter components |
