system_prompts_leaks Documentation

Extracted system prompts from Anthropic - Claude Fable 5, Opus 5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-5.6-Sol, Codex.

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1. Project Overview & Quickstart (asgeirtj/system_prompts_leaks)


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 โ€” the hidden instructions and rules that ChatGPT, Claude, Gemini, Grok and every other AI chatbot receives before your first message.

Newest System Prompts

What Date Link
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 ยท 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 (Terra/Luna) ยท Sol
Grok 4.5 July 26, 2026 Grok 4.5 system prompt
Claude Opus 5 July 24, 2026 Claude Opus 5 system prompt ยท Claude Code (Opus 5)
Claude Design (full prompt + 53 tools + 22 skills + 10 starter components) July 23, 2026 Claude Design system prompt ยท skills ยท starter components
Perplexity July 17, 2026 Perplexity AI system prompt
Claude Code (new models) July 16, 2026 Claude Code system prompt (Fable 5) ยท Sonnet 5
OpenCode ยท Pi ยท CommandCode July 16, 2026 OpenCode system prompt ยท Pi system prompt ยท 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) ยท Codex GPT-5.6 system prompt

Anthropic โ€” Claude system prompts

Claude.ai system prompts (web, desktop & mobile)

Model Prompt
Claude Fable 5 Claude Fable 5 system prompt
Claude Opus 5 Claude Opus 5 system prompt
Claude Opus 4.8 Claude Opus 4.8 system prompt
Claude Sonnet 5 Claude Sonnet 5 system prompt
Claude Opus 4.7 Claude Opus 4.7 system prompt
Claude Opus 4.6 Claude Opus 4.6 system prompt ยท No tools
Claude Sonnet 4.6 Claude Sonnet 4.6 system prompt ยท No tools
Injected reminders Claude.ai injected reminders

Claude Code system prompts

Component Prompt
Claude Code (Fable 5) Claude Code system prompt (Fable 5)
Claude Code (Opus 5) Claude Code system prompt (Opus 5)
Claude Code (Opus 4.8) Claude Code system prompt (Opus 4.8)
Claude Code (Sonnet 5) Claude Code system prompt (Sonnet 5)
Claude Code (older models) Opus 4.7 ยท Opus 4.6 ยท Sonnet 4.6 ยท Haiku 4.5
Subagents Claude Code subagent system prompts
Skills & commands Claude Code skills ยท Slash commands
MCP servers Claude Code MCP server system prompts
Docs assistant docs.claude.com assistant instructions

Claude integrations

Product Prompt
Claude Design Claude Design system prompt ยท skills ยท starter components
Claude Cowork Claude Cowork system prompt ยท Dispatch ยท setup skills
Claude Science Claude Science system prompt
Claude for Microsoft 365 Claude for Excel ยท Claude for Word ยท Claude in PowerPoint
Claude in Chrome Claude in Chrome extension system prompt
Claude iOS app Claude mobile iOS system prompt

OpenAI โ€” ChatGPT system prompts

Model Prompt
ChatGPT 5.6 Sol ChatGPT 5.6 system prompt (Sol, extra high)
ChatGPT 5.5 Thinking ChatGPT 5.5 Thinking system prompt
ChatGPT 5.5 Instant ChatGPT 5.5 Instant system prompt
ChatGPT 5.4 ChatGPT 5.4 Thinking system prompt
ChatGPT 5.3 ChatGPT 5.3 Instant system prompt
ChatGPT 5.2 ChatGPT 5.2 Thinking system prompt
ChatGPT 5 ChatGPT 5 Thinking system prompt ยท Agent mode
ChatGPT Atlas ChatGPT Atlas system prompt
ChatGPT 4.5 ChatGPT 4.5 system prompt
ChatGPT 4o ChatGPT 4o system prompt ยท Deprecation preparedness
Voice modes ChatGPT advanced voice mode system prompt ยท Legacy voice mode
Personalities ChatGPT personality instructions
Memory ChatGPT advanced memory system prompt

Codex system prompts

Model Prompt
Codex GPT-5.6 Codex GPT-5.6 system prompt (Terra/Luna) ยท Sol
Codex GPT-5.5 Codex GPT-5.5 system prompt ยท Full prompt ยท Friendly ยท Pragmatic
Codex GPT-5.4 Codex GPT-5.4 system prompt ยท Mini
Codex Spark Codex Spark system prompt
Codex modes Plan mode ยท Auto-review ยท Computer use ยท Control Chrome ยท In-app browser
Personas Friendly ยท Pragmatic

API-injected prompts

Model Prompt
GPT-5.5 GPT-5.5 API system prompt ยท Pro
GPT-5.4 / 5.3 GPT-5.4 API ยท 5.3 Chat ยท 5.3 Codex
o-series & older o3 / o4-mini reasoning-effort variants

Old models, tools & deprecated features

Old models GPT-4.5 ยท GPT-4.1 ยท GPT-4.1 Mini ยท o3 ยท o4-mini ยท GPT-5.2 Mini (free) ยท ChatGPT 4o Mini
Old 4o variants 4o WhatsApp ยท 4o new personality ยท Monday GPT
Old tools Canvas ยท Image gen ยท File search ยท Python ยท Web search
Old policies Image safety ยท Image safety (2026) ยท Automation context
Deprecated features GPT-5 personalities ยท GPT-5.1 personalities ยท Deep research tool ยท Study and learn ยท All
GPT-5.1 (old) Professional

Google โ€” Gemini system prompts

Model Prompt
Gemini 3.5 Flash Gemini 3.5 Flash system prompt ยท AI Studio
Gemini 3.1 Pro Gemini 3.1 Pro system prompt ยท API
Antigravity CLI Antigravity CLI system prompt
Nano / Banana 2 Nano Banana 2 system prompt
Google Search AI Mode Google Search AI Mode system prompt
Gemini CLI Gemini CLI system prompt
NotebookLM NotebookLM chat system prompt
Jules Jules system prompt
AI Studio Build AI Studio Build system prompt
Gemini 3 Gemini 3 Flash system prompt ยท Gemini 3 Pro
Gemini YouTube Gemini YouTube system prompt
Gemini Diffusion Gemini Diffusion system prompt
Gemini in Chrome Gemini in Chrome system prompt
Gemini Workspace Gemini Workspace system prompt

Older models & variants

Gemini 2.5 Pro API ยท Webapp ยท Guided learning
Gemini 2.5 Flash Image preview
Gemini 2.0 Flash Webapp

xAI โ€” Grok system prompts

Model Prompt
Grok 4.5 Grok 4.5 system prompt
Grok Build Grok Build system prompt (CLI agent)
Grok 4.3 Beta Grok 4.3 Beta system prompt
Grok 4.2 Grok 4.2 system prompt
Grok Expert Grok Expert system prompt

Older versions

Grok 4.1 Beta Grok 4.1 Beta system prompt
Grok 4 Grok 4 system prompt ยท API
Grok 3 Grok 3 system prompt
Grok Account Grok account system prompt
Grok Personas Grok persona prompts
Safety Instructions Grok safety instructions

Perplexity system prompts

Model Prompt
Perplexity Perplexity AI system prompt
Perplexity Computer Perplexity Computer system prompt
Deep Research Perplexity Deep Research system prompt
Comet Browser Comet browser assistant system prompt
Voice Assistant Perplexity voice assistant system prompt

Microsoft โ€” Copilot system prompts

Product Prompt
GitHub Copilot GitHub Copilot system prompt
VS Code Copilot Agent VS Code Copilot agent system prompt
Copilot CLI Copilot CLI system prompt
Copilot for macOS (app) Copilot for macOS system prompt
Copilot in Word Copilot in Word system prompt

Cursor system prompt

Product Prompt
Cursor Cursor system prompt

Meta AI system prompts

Product Prompt
Meta AI Meta AI Muse Spark system prompt ยท Muse Spark 1.1
Muse Code Muse Code system prompt

Mistral system prompts

Product Prompt
Mistral Medium 3.5 (Vibe) Mistral Medium 3.5 system prompt
Mistral Code Mistral Code system prompt

Moonshot โ€” Kimi system prompt

Model Prompt
Kimi K2.6 Kimi K2.6 system prompt

DeepSeek

Product Prompt
DeepSeek DeepSeek system prompt (chat.deepseek.com)

Z.ai โ€” GLM

Product Prompt
GLM GLM serves no system prompt โ€” verified & documented

OpenCode system prompt

Product Prompt
OpenCode OpenCode system prompt ยท May 2026 capture

Pi system prompt

Product Prompt
Pi (Inflection) Pi system prompt

Notion AI system prompt

Product Prompt
Notion AI Notion AI system prompt

Qwen system prompt

Product Prompt
Qwen 3.6 Plus Qwen 3.6 Plus system prompt

Misc system prompts

Product Prompt
Amp Code (Sourcegraph) Amp Code system prompt
CommandCode CLI CommandCode CLI system prompt
Devin CLI Devin CLI system prompt
Docker Gordon AI Docker Gordon AI system prompt
ElevenLabs Voice Agent ElevenLabs voice agent system prompt
Reddit Answers Reddit Answers system prompt
Warp 2.0 Agent Warp 2.0 agent system prompt
Zed AI Zed AI system prompt

More products

Brave Search Brave Search system prompt
Character AI Character AI system prompt
Confer Confer system prompt
Fellou Browser Fellou browser system prompt
Gizmo AI Gizmo AI system prompt
Hermes Hermes system prompt
Indus AI Indus AI system prompt
Kagi Assistant Kagi assistant system prompt
MiniMax M2.5 MiniMax M2.5 system prompt
Proton Lumo AI Proton Lumo AI system prompt
Raycast AI Raycast AI system prompt
Sesame AI Maya Sesame AI Maya system prompt
Stack Overflow AI Assist Stack Overflow AI Assist system prompt
t3.chat t3.chat system prompt
t3 Code t3 Code system prompt

Contact

Star History

2. Official Technical Reference & Guides (asgeirtj/docs)

GitHub Docs

This repository contains the documentation website code and Markdown source files for docs.github.com.

GitHub's Docs team works on pre-production content in a private repo that regularly syncs with this public repo.

Use the table of contents icon on the top right corner of this document to navigate to a specific section quickly.

Contributing

We accept different types of contributions, including some that don't require you to write a single line of code. For detailed instructions on how to get started with our project, see "About contributing to GitHub Docs."

Ways to contribute

On the GitHub Docs site, you can contribute by clicking the Make a contribution button at the bottom of the page to open a pull request for quick fixes like typos, updates, or link fixes.

You can also contribute by creating a local environment or opening a Codespace. For more information, see "Setting up your environment to work on GitHub Docs."

For more complex contributions, please open an issue using the most appropriate issue template to describe the changes you'd like to see.

If you're looking for a way to contribute, you can scan through our help wanted board to find open issues already approved for work.

And that's it!

If you're having trouble with your GitHub account, contact Support.

That's how you can easily become a member of the GitHub Docs community. :sparkles:

READMEs

In addition to the README you're reading right now, this repo includes other READMEs that describe the purpose of each subdirectory in more detail:

License

The GitHub product documentation in the assets, content, and data folders are licensed under a CC-BY license.

All other code in this repository is licensed under the MIT license.

When using the GitHub logos, be sure to follow the GitHub logo guidelines.

Thanks :purple_heart:

Thanks for all your contributions and efforts towards improving the GitHub documentation. We thank you for being part of our :sparkles: community :sparkles:!