_{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.

!Last Commit


Most recent additions/changes

What | Date | Link

------|------|------

Claude Code Advisor tool | September 15, 2026 | [Advisor tool prompts (both sides)](Anthropic/claude-code/prompts/advisor-tool.md)

ChatGPT Work Codex (local) | September 13, 2026 | [ChatGPT Work Codex local system prompt](OpenAI/Codex/gpt-6-astra-chatgpt-work-local.md)

Gemini 3.8 Flash | September 13, 2026 | [Gemini 3.8 Flash System Prompt](Google/gemini-3.8-flash.md)

Claude Code headless (Fable 5.1) | September 5, 2026 | [Claude Code headless system prompt (Fable 5.1)](Anthropic/claude-code/claude-code-headless-fable-5.1.md)

Codex GPT-6-Astra | September 4, 2026 | [Codex GPT-6-Astra system prompt](OpenAI/Codex/gpt-6-astra.md)

Claude Fable 5.1 | September 1, 2026 | [Claude Fable 5.1 system prompt](Anthropic/claude-fable-5.1.md) · [Claude Code (Fable 5.1)](Anthropic/claude-code/claude-code-fable-5.1.md)

Grok 4.6 | August 29, 2026 | [Grok 4.6 system prompt](xAI/grok-4.6.md)

Grok Bot | August 21, 2026 | [Grok Bot System Prompt](xAI/grok-bot.md)

Gemini 3.7 Flash | August 18, 2026 | [Gemini 3.7 Flash System Prompt](Google/gemini-3.7-flash.md)

Muse Code (Meta's coding CLI) | August 17, 2026 | [Muse Code system prompt](Meta/muse-code.md)

Claude Cowork (new capture + setup skills) | August 17, 2026 | [Claude Cowork system prompt](Anthropic/claude-cowork/claude-cowork.md) · [setup skills](Anthropic/claude-cowork)

Claude Science | August 14, 2026 | [Claude Science system prompt](Anthropic/claude-science.md)

Codex GPT-5.6 (Sol variant) | July 26, 2026 | [Codex GPT-5.6 system prompt](OpenAI/Codex/gpt-5.6.md)

Grok 4.5 | July 26, 2026 | [Grok 4.5 system prompt](xAI/grok-4.5.md)

Claude Opus 5 | July 24, 2026 | [Claude Opus 5 system prompt](Anthropic/claude-opus-5.md) · [Claude Code (Opus 5)](Anthropic/claude-code/claude-code-opus-5.md)

Claude Design (full prompt + 53 tools + 22 skills + 10 starter components) | July 23, 2026 | [Claude Design system prompt](Anthropic/claude-design/claude-design.md) · [skills](Anthropic/claude-design/skills) · [starter components](Anthropic/claude-design/starter-components)

Perplexity | July 17, 2026 | [Perplexity AI system prompt](Perplexity/perplexity-ai.md)

Claude Code (new models) | July 16, 2026 | [Claude Code system prompt (Fable 5)](Anthropic/claude-code/claude-code-fable-5.md) · [Sonnet 5](Anthropic/claude-code/claude-code-sonnet-5.md)

OpenCode · Pi · CommandCode | July 16, 2026 | [OpenCode system prompt](OpenCode/opencode.md) · [Pi system prompt](Pi/instructions.md) · [CommandCode CLI system prompt](Misc/commandcode-cli.md)

Kimi K2.6 | July 14, 2026 | [Kimi K2.6 system prompt](Kimi/kimi-2.6.md)

Perplexity Deep Research | July 14, 2026 | [Perplexity Deep Research system prompt](Perplexity/deep-research.md)

ChatGPT 5.6 | July 10, 2026 | [ChatGPT 5.6 system prompt (Sol, extra high)](OpenAI/gpt-5.6-sol.md) · [Codex GPT-5.6 system prompt](OpenAI/Codex/gpt-5.6.md)

!Anthropic

Anthropic — Claude system prompts

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

Model | Prompt

-------|--------

Claude Fable 5.1 | [Claude Fable 5.1 system prompt](Anthropic/claude-fable-5.1.md)

Claude Fable 5 | [Claude Fable 5 system prompt](Anthropic/claude-fable-5.md)

Claude Opus 5 | [Claude Opus 5 system prompt](Anthropic/claude-opus-5.md)

Claude Opus 4.8 | [Claude Opus 4.8 system prompt](Anthropic/claude-opus-4.8.md)

Claude Sonnet 5 | [Claude Sonnet 5 system prompt](Anthropic/claude-sonnet-5.md)

Claude Opus 4.7 | [Claude Opus 4.7 system prompt](Anthropic/claude-opus-4.7.md)

Claude Opus 4.6 | [Claude Opus 4.6 system prompt](Anthropic/claude-opus-4.6.md) · [No tools](Anthropic/claude-opus-4.6-no-tools.md)

Claude Sonnet 4.6 | [Claude Sonnet 4.6 system prompt](Anthropic/claude-sonnet-4.6.md) · [No tools](Anthropic/claude-sonnet-4.6-no-tools.md)

Injected reminders | [Claude.ai injected reminders](Anthropic/anthropic_reminders.md)

Claude Code system prompts

Component | Prompt

-----------|--------

Claude Code (Fable 5.1) | [Claude Code system prompt (Fable 5.1)](Anthropic/claude-code/claude-code-fable-5.1.md)

Claude Code (Fable 5) | [Claude Code system prompt (Fable 5)](Anthropic/claude-code/claude-code-fable-5.md)

Claude Code (Opus 5) | [Claude Code system prompt (Opus 5)](Anthropic/claude-code/claude-code-opus-5.md)

Claude Code (Opus 4.8) | [Claude Code system prompt (Opus 4.8)](Anthropic/claude-code/claude-code-opus-4.8.md)

Claude Code (Sonnet 5) | [Claude Code system prompt (Sonnet 5)](Anthropic/claude-code/claude-code-sonnet-5.md)

Claude Code (older models) | [Opus 4.7](Anthropic/claude-code/claude-code-opus-4.7.md) · [Opus 4.6](Anthropic/claude-code/claude-code-opus-4.6.md) · [Sonnet 4.6](Anthropic/claude-code/claude-code-sonnet-4.6.md) · [Haiku 4.5](Anthropic/claude-code/claude-code-haiku-4.5.md)

Subagents | [Claude Code subagent system prompts](Anthropic/claude-code/agents)

Skills & commands | [Claude Code skills](Anthropic/claude-code/skills) · [Slash commands](Anthropic/claude-code/commands)

MCP servers | [Claude in Chrome MCP server system prompt](Anthropic/claude-in-chrome.md)

Docs assistant | [docs.claude.com assistant instructions](Anthropic/claude-code/claude-code-docs-assistant.md)

Claude integrations

Product | Prompt

---------|--------

Claude Design | [Claude Design system prompt](Anthropic/claude-design/claude-design.md) · [skills](Anthropic/claude-design/skills) · [starter components](Anthropic/claude-design/starter-components)

Claude Cowork | [Claude Cowork system prompt](Anthropic/claude-cowork/claude-cowork.md) · [Dispatch](Anthropic/claude-cowork/claude-cowork-dispatch.md) · [setup skills](Anthropic/claude-cowork)

Claude Science | [Claude Science system prompt](Anthropic/claude-science.md)

Claude for Microsoft 365 | [Claude for Excel](Anthropic/claude-for-excel.md) · [Claude for Word](Anthropic/claude-for-word.md) · [Claude in PowerPoint](Anthropic/claude-in-powerpoint.md)

Claude in Chrome | [Claude in Chrome extension system prompt](Anthropic/claude-in-chrome.md)

Claude iOS app | [Claude mobile iOS system prompt](Anthropic/claude-mobile-ios.md)

!OpenAI

OpenAI — ChatGPT system prompts

Model | Prompt

-------|--------

ChatGPT 5.6 Sol | [ChatGPT 5.6 system prompt (Sol, extra high)](OpenAI/gpt-5.6-sol.md)

ChatGPT 5.5 Thinking | [ChatGPT 5.5 Thinking system prompt](OpenAI/gpt-5.5-thinking.md)

ChatGPT 5.5 Instant | [ChatGPT 5.5 Instant system prompt](OpenAI/gpt-5.5-instant.md)

ChatGPT 5.4 | [ChatGPT 5.4 Thinking system prompt](OpenAI/gpt-5.4-thinking.md)

ChatGPT 5.3 | [ChatGPT 5.3 Instant system prompt](OpenAI/gpt-5.3-instant.md)

ChatGPT 5.2 | [ChatGPT 5.2 Thinking system prompt](OpenAI/gpt-5.2-thinking.md)

ChatGPT 5 | [ChatGPT 5 Thinking system prompt](OpenAI/gpt-5-thinking.md) · [Agent mode](OpenAI/chatgpt-gpt-5-agent-mode.md)

ChatGPT Atlas | [ChatGPT Atlas system prompt](OpenAI/chatgpt-atlas.md)

ChatGPT 4.5 | [ChatGPT 4.5 system prompt](OpenAI/chatgpt-4.5.md)

ChatGPT 4o | [ChatGPT 4o system prompt](OpenAI/gpt-4o.md) · [Deprecation preparedness](OpenAI/chatgpt-4o-deprecation-preparedness-prompt.md)

Voice modes | [ChatGPT advanced voice mode system prompt](OpenAI/gpt-4o-advanced-voice-mode.md) · [Legacy voice mode](OpenAI/gpt-4o-legacy-voice-mode.md)

Personalities | [ChatGPT personality instructions](OpenAI/chatgpt-personality-instructions.md)

Memory | [ChatGPT advanced memory system prompt](OpenAI/tool-advanced-memory.md)

Codex system prompts

Model | Prompt

-------|--------

Codex GPT-5.6 | [Codex GPT-5.6 system prompt (Terra/Luna)](OpenAI/Codex/gpt-5.6.md) · [Sol](OpenAI/Codex/gpt-5.6-sol.md)

Codex GPT-5.5 | [Codex GPT-5.5 system prompt](OpenAI/Codex/gpt-5.5.md) · [Full prompt](OpenAI/Codex/codex-full.md) · [Friendly](OpenAI/Codex/personality_friendly_gpt-5.5.md) · [Pragmatic](OpenAI/Codex/personality_pragmatic_gpt-5.5.md)

Codex GPT-5.4 | [Codex GPT-5.4 system prompt](OpenAI/Codex/gpt-5.4.md) · [Mini](OpenAI/Codex/gpt-5.4-mini.md)

Codex Spark | [Codex Spark system prompt](OpenAI/Codex/gpt-5.3-codex-spark.md)

Codex modes | [Plan mode](OpenAI/Codex/plan_mode.md) · [Auto-review](OpenAI/Codex/codex-auto-review.md) · [Computer use](OpenAI/Codex/computer-use.md) · [Control Chrome](OpenAI/Codex/control-chrome.md) · [In-app browser](OpenAI/Codex/control-in-app-browser.md)

Personas | [Friendly](OpenAI/Codex/personality_friendly.md) · [Pragmatic](OpenAI/Codex/personality_pragmatic.md)

API-injected prompts

Model | Prompt

-------|--------

GPT-5.5 | [GPT-5.5 API system prompt](OpenAI/gpt-5.5-api.md) · [Pro](OpenAI/gpt-5.5-pro-api.md)

GPT-5.4 / 5.3 | [GPT-5.4 API](OpenAI/gpt-5.4-api.md) · [5.3 Chat](OpenAI/gpt-5.3-chat-api.md) · [5.3 Codex](OpenAI/gpt-5.3-codex-api.md)

o-series & older | [o3 / o4-mini reasoning-effort variants](OpenAI/API/)

|

--|--

Old models | [GPT-4.5](OpenAI/gpt-4.5.md) · [GPT-4.1](OpenAI/gpt-4.1.md) · [GPT-4.1 Mini](OpenAI/gpt-4.1-mini.md) · [o3](OpenAI/Old/o3.md) · [o4-mini](OpenAI/Old/o4-mini.md) · [GPT-5.2 Mini (free)](OpenAI/gpt-5.2-mini-free-account.md) · [ChatGPT 4o Mini](OpenAI/Old/chatgpt-4o-mini.md)

Old 4o variants | [4o WhatsApp](OpenAI/Old/gpt-4o-whatsapp.md) · [4o new personality](OpenAI/4o-2025-09-03-new-personality.md) · [Monday GPT](OpenAI/Old/monday-gpt.md)

Old tools | [Canvas](OpenAI/Old/tool-canvas-canmore.md) · [Image gen](OpenAI/Old/tool-create-image-image_gen.md) · [File search](OpenAI/Old/tool-file_search.md) · [Python](OpenAI/Old/tool-python-code.md) · [Web search](OpenAI/Old/tool-web-search.md)

Old policies | [Image safety](OpenAI/Old/prompt-image-safety-policies.md) · [Image safety (2026)](OpenAI/Old/image-safety-policies.md) · [Automation context](OpenAI/Old/prompt-automation-context.md)

Deprecated features | [GPT-5 personalities](OpenAI/gpt-5-listener-personality.md) · [GPT-5.1 personalities](OpenAI/gpt-5.1-efficient.md) · [Deep research tool](OpenAI/tool-deep-research.md) · [Study and learn](OpenAI/Old/study-and-learn.md) · [All](OpenAI/Old/)

GPT-5.1 (old) | [Professional](OpenAI/gpt-5.1-professional.md)

!Google Gemini

Google — Gemini system prompts

Model | Prompt

-------|--------

Gemini 3.5 Flash | [Gemini 3.5 Flash system prompt](Google/gemini-3.5-flash.md) · [AI Studio](Google/gemini-3.5-flash-ai-studio.md)

Gemini 3.1 Pro | [Gemini 3.1 Pro system prompt](Google/gemini-3.1-pro.md) · [API](Google/gemini-3.1-pro-api.md)

Antigravity CLI | [Antigravity CLI system prompt](Google/antigravity-cli.md)

Nano / Banana 2 | [Nano Banana 2 system prompt](Google/nano-banana-2-api.md)

Google Search AI Mode | [Google Search AI Mode system prompt](Google/google-search-ai-mode.md)

Gemini CLI | [Gemini CLI system prompt](Google/gemini-cli.md)

NotebookLM | [NotebookLM chat system prompt](Google/notebooklm-chat.md)

Jules | [Jules system prompt](Google/jules.md)

AI Studio Build | [AI Studio Build system prompt](Google/ai-studio-build.md)

Gemini 3 | [Gemini 3 Flash system prompt](Google/gemini-3-flash.md) · [Gemini 3 Pro](Google/gemini-3-pro.md)

Gemini YouTube | [Gemini YouTube system prompt](Google/gemini-youtube.md)

Gemini Diffusion | [Gemini Diffusion system prompt](Google/gemini-diffusion.md)

Gemini in Chrome | [Gemini in Chrome system prompt](Google/gemini-in-chrome.md)

Gemini Workspace | [Gemini Workspace system prompt](Google/gemini-workspace.md)

|

--|--

Gemini 2.5 Pro | [API](Google/gemini-2.5-pro-api.md) · [Webapp](Google/gemini-2.5-pro-webapp.md) · [Guided learning](Google/gemini-2.5-pro-guided-learning.md)

Gemini 2.5 Flash | [Image preview](Google/gemini-2.5-flash-image-preview.md)

Gemini 2.0 Flash | [Webapp](Google/gemini-2.0-flash-webapp.md)

xAI — Grok system prompts

Model | Prompt

-------|--------

Grok 4.5 | [Grok 4.5 system prompt](xAI/grok-4.5.md)

Grok Build | [Grok Build system prompt (CLI agent)](xAI/grok-build.md)

Grok 4.3 Beta | [Grok 4.3 Beta system prompt](xAI/grok-4.3-beta.md)

Grok 4.2 | [Grok 4.2 system prompt](xAI/grok-4.2.md)

Grok Expert | [Grok Expert system prompt](xAI/grok-expert.md)

|

--|--

Grok 4.1 Beta | [Grok 4.1 Beta system prompt](xAI/grok-4.1-beta.md)

Grok 4 | [Grok 4 system prompt](xAI/grok-4.md) · [API](xAI/grok-api.md)

Grok 3 | [Grok 3 system prompt](xAI/grok-3.md)

Grok Account | [Grok account system prompt](xAI/grok-account.md)

Grok Personas | [Grok persona prompts](xAI/grok-personas.md)

Safety Instructions | [Grok safety instructions](xAI/grok-4-with-new-safety-instructions.md)

Perplexity system prompts

Model | Prompt

-------|--------

Perplexity | [Perplexity AI system prompt](Perplexity/perplexity-ai.md)

Perplexity Computer | [Perplexity Computer system prompt](Perplexity/perplexity-computer.md)

Deep Research | [Perplexity Deep Research system prompt](Perplexity/deep-research.md)

Comet Browser | [Comet browser assistant system prompt](Perplexity/comet-browser-assistant.md)

Voice Assistant | [Perplexity voice assistant system prompt](Perplexity/voice-assistant.md)

Microsoft — Copilot system prompts

Product | Prompt

---------|--------

GitHub Copilot | [GitHub Copilot system prompt](Microsoft/github-copilot.md)

VS Code Copilot Agent | [VS Code Copilot agent system prompt](Microsoft/vscode-copilot-agent.md)

Copilot CLI | [Copilot CLI system prompt](Microsoft/copilot-cli.md)

Copilot for macOS (app) | [Copilot for macOS system prompt](Microsoft/copilot-macos-app.md)

Copilot in Word | [Copilot in Word system prompt](Microsoft/copilot-in-microsoft-word.md)

Cursor system prompt

Product | Prompt

---------|--------

Cursor | [Cursor system prompt](Cursor/cursor.md)

Meta AI system prompts

Product | Prompt

---------|--------

Meta AI | [Meta AI Muse Spark system prompt](Meta/meta-spark.md) · [Muse Spark 1.1](Meta/muse-spark-1.1.md)

Muse Code | [Muse Code system prompt](Meta/muse-code.md)

Mistral system prompts

Product | Prompt

---------|--------

Mistral Medium 3.5 (Vibe) | [Mistral Medium 3.5 system prompt](Mistral/mistral-medium-3.5.md)

Mistral Code | [Mistral Code system prompt](Mistral/mistral-code.md)

Moonshot — Kimi system prompt

Model | Prompt

-------|--------

Kimi K2.6 | [Kimi K2.6 system prompt](Kimi/kimi-2.6.md)

DeepSeek

Product | Prompt

---------|--------

DeepSeek | [DeepSeek system prompt](DeepSeek/deepseek-chat.md) (chat.deepseek.com)

Z.ai — GLM

Product | Prompt

---------|--------

GLM | [GLM serves no system prompt — verified & documented](GLM/README.md)

OpenCode system prompt

Product | Prompt

---------|--------

OpenCode | [OpenCode system prompt](OpenCode/opencode.md) · [May 2026 capture](Misc/opencode.md)

Pi system prompt

Product | Prompt

---------|--------

Pi (Inflection) | [Pi system prompt](Pi/instructions.md)

Notion AI system prompt

Product | Prompt

---------|--------

Notion AI | [Notion AI system prompt](Notion/notion-ai.md)

Qwen system prompt

Product | Prompt

---------|--------

Qwen 3.6 Plus | [Qwen 3.6 Plus system prompt](Qwen/qwen3.6-plus.md)

Misc system prompts

Product | Prompt

---------|--------

Amp Code (Sourcegraph) | [Amp Code system prompt](Misc/amp-code.md)

CommandCode CLI | [CommandCode CLI system prompt](Misc/commandcode-cli.md)

Devin CLI | [Devin CLI system prompt](Misc/devin-cli.md)

Docker Gordon AI | [Docker Gordon AI system prompt](Misc/docker-gordon-ai.md)

ElevenLabs Voice Agent | [ElevenLabs voice agent system prompt](Misc/elevenlabs-voice-agent.md)

Reddit Answers | [Reddit Answers system prompt](Misc/reddit-answers.md)

Warp 2.0 Agent | [Warp 2.0 agent system prompt](Misc/warp-2.0-agent.md)

Zed AI | [Zed AI system prompt](Misc/zed.md)

|

--|--

Brave Search | [Brave Search system prompt](Misc/brave-search.md)

Character AI | [Character AI system prompt](Misc/character-ai.md)

Confer | [Confer system prompt](Misc/confer.md)

Fellou Browser | [Fellou browser system prompt](Misc/fellou-browser.md)

Gizmo AI | [Gizmo AI system prompt](Misc/gizmo-ai.md)

Hermes | [Hermes system prompt](Misc/hermes.md)

Indus AI | [Indus AI system prompt](Misc/indus-ai.md)

Kagi Assistant | [Kagi assistant system prompt](Misc/kagi-assistant.md)

MiniMax M2.5 | [MiniMax M2.5 system prompt](Misc/minimax-m2.5.md)

Proton Lumo AI | [Proton Lumo AI system prompt](Misc/proton-lumo-ai.md)

Raycast AI | [Raycast AI system prompt](Misc/raycast-ai.md)

Sesame AI Maya | [Sesame AI Maya system prompt](Misc/sesame-ai-maya.md)

Stack Overflow AI Assist | [Stack Overflow AI Assist system prompt](Misc/stack-overflow-ai-assist.md)

t3.chat | [t3.chat system prompt](Misc/t3.chat.md)

t3 Code | [t3 Code system prompt](Misc/t3-code.md)

Contact

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