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)
System Prompts Leaks
Leaked system prompts, captured verbatim — the hidden instructions and rules that ChatGPT, Claude, Gemini, Grok and every other AI chatbot receives before your first message.
Most recent additions/changes
What
Date
Link
Claude Code headless (Fable 5.1)
September 5, 2026
Claude Code headless system prompt (Fable 5.1)
Codex GPT-6-Astra
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
Codex GPT-5.6 (Sol variant)
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
Perplexity
July 17, 2026
Perplexity AI system prompt
Claude Code (new models)
July 16, 2026
Claude Code system prompt (Fable 5) · Sonnet 5
OpenCode · Pi · CommandCode
July 16, 2026
OpenCode system prompt · Pi system prompt · CommandCode CLI system prompt
Kimi K2.6
July 14, 2026
Kimi K2.6 system prompt
Perplexity Deep Research
July 14, 2026
Perplexity Deep Research system prompt
ChatGPT 5.6
July 10, 2026
ChatGPT 5.6 system prompt (Sol, extra high) · Codex GPT-5.6 system prompt
Anthropic — Claude system prompts
Claude.ai system prompts (web, desktop & mobile)
Claude Code system prompts
Claude integrations
OpenAI — ChatGPT system prompts
Codex system prompts
API-injected prompts
Old models, tools & deprecated features
Google — Gemini system prompts
Older models & variants
xAI — Grok system prompts
Older versions
Perplexity system prompts
Microsoft — Copilot system prompts
Cursor system prompt
Mistral system prompts
Moonshot — Kimi system prompt
DeepSeek
Z.ai — GLM
OpenCode system prompt
Pi system prompt
Notion AI system prompt
Qwen system prompt
Misc system prompts
More products
Star History