As seen in The Washington Post: See the hidden rules behind AI. Then use them to rewrite this article. (May 11, 2026)
System Prompts Leaks
The purpose of this repo is to document the System Prompt instructions for all the AI chatbots out there - Claude, ChatGPT, Gemini etc.
๐ Diff: Claude Opus 4.8 โ Claude Fable 5 โ see exactly what changed in the claude.ai system prompt for Anthropic's newest model
Recently Updated
| What | Date | Link |
|---|---|---|
| Claude Fable 5 | June 9, 2026 | System prompt ยท Diff vs Opus 4.8 |
| Claude Opus 4.8 | June 9, 2026 | System prompt ยท Official |
| Claude Code Glob & Grep tools | June 9, 2026 | Glob ยท Grep |
| Claude Code (Opus 4.8) | May 28, 2026 | System prompt |
| Claude Code & Cowork | May 28, 2026 | Claude Code ยท Cowork ยท Cowork Dispatch |
| GPT-5.5 | May 24, 2026 | Thinking ยท Instant ยท API ยท Pro API |
| Perplexity Computer | May 21, 2026 | System prompt |
| VS Code Copilot Agent | May 21, 2026 | System prompt |
| Docker Gordon AI | May 21, 2026 | System prompt |
| Gemini 3.5 Flash | May 20, 2026 | System prompt ยท AI Studio ยท Tools |
| Antigravity CLI | May 20, 2026 | System prompt |
| Zed AI | May 16, 2026 | System prompt |
| Grok Expert | May 11, 2026 | System prompt |
Anthropic โ Claude
| Model | Prompt |
|---|---|
| Claude Fable 5 | System prompt |
| Claude Opus 4.8 | System prompt |
| Claude Code (Opus 4.8) | System prompt |
| Claude Opus 4.7 | System prompt |
| Claude Code (Opus 4.6) | System prompt |
| Claude Opus 4.6 | System prompt |
| Claude Sonnet 4.6 | System prompt |
| Claude.ai | Anthropic Reminders |
Integrations, official prompts & older versions
| Integrations | Cowork ยท Cowork Dispatch ยท Desktop Code ยท Design ยท Mobile iOS ยท In Chrome ยท For Excel ยท For Word ยท In PowerPoint ยท Default Styles |
| Claude Code extras | Glob tool ยท Grep tool ยท Deferred tools ยท Docs assistant ยท Bundled skills |
Published (claude_behavior at release date, not updated) |
Opus 4.8 ยท Opus 4.7 ยท Opus 4.6 ยท Sonnet 4.6 ยท All versions |
| Without tools | Opus 4.6 ยท Sonnet 4.6 |
| Raw prompts | Opus 4.6 ยท Opus 4.6 (no tools) ยท Sonnet 4.6 ยท Sonnet 4.6 (no tools) |
| Visualize | Visualization |
| Opus 4.5 | System prompt |
| Sonnet 4.5 | System prompt |
| Sonnet 4 | System prompt |
| Opus 4.1 Thinking | System prompt |
| Sonnet 3.7 | System prompt ยท With tools ยท Full w/ tools ยท Human-readable |
OpenAI โ ChatGPT
| Model | Prompt |
|---|---|
| GPT-5.5 | Thinking ยท Instant ยท API ยท Pro API ยท Codex ยท Friendly ยท Pragmatic |
| GPT-5.4 | API ยท Thinking ยท Codex ยท Codex Mini |
| GPT-5.3 | Codex ยท Spark ยท Codex API ยท Chat API ยท Instant |
| Codex CLI | Per-model prompts ยท Spark ยท Plan mode ยท Personas ยท Auto-review |
| Tools | Web search ยท Deep research ยท Python ยท Python code ยท Canvas ยท Image gen ยท Memory ยท Advanced memory ยท File search |
| Policies | Image safety ยท Automation context |
Older models & variants
| GPT-5.2 | Mini (free) ยท Thinking ยท Codex |
| o4-mini | System prompt ยท High |
| o3 | System prompt |
| ChatGPT Atlas | System prompt |
| GPT-5.1 personalities | Default ยท Friendly ยท Professional ยท Candid ยท Cynical ยท Efficient ยท Nerdy ยท Quirky |
| GPT-5 | Agent mode ยท Thinking ยท Cynic ยท Listener ยท Nerdy ยท Robot ยท Codex ยท Codex Mini |
| GPT-4.5 | System prompt |
| GPT-4.1 | Full ยท Mini |
| GPT-4o | System prompt ยท WhatsApp ยท Advanced voice ยท Legacy voice |
| Monday GPT | System prompt |
| GPT-4o new personality | System prompt |
| Study and learn | System prompt |
| Image safety policies | System prompt |
| API variants | GPT-5 reasoning (high) ยท o3 high ยท o3 med ยท o3 low ยท o4-mini high ยท o4-mini med ยท o4-mini low |
| Old o4-mini | System prompt |
| Codex (older) | GPT-5 ยท GPT-5.1 ยท GPT-5.1 Codex ยท GPT-5.1 Mini ยท GPT-5.1 Max ยท GPT-5.2 ยท 5.2 Friendly ยท 5.2 Pragmatic |
Google โ Gemini
| Model | Prompt |
|---|---|
| Gemini 3.5 Flash | System prompt ยท AI Studio ยท Tools |
| Gemini 3.1 Pro | System prompt ยท API |
| Gemini CLI | System prompt |
| Antigravity CLI | System prompt |
| Jules | System prompt |
Older models & variants
| Gemini 3 | Flash ยท Pro |
| Gemini Diffusion | System prompt |
| Google Search AI Mode | System prompt |
| Gemini YouTube | System prompt |
| Gemini in Chrome | System prompt |
| Gemini Workspace | System prompt |
| Gemini 2.5 Pro | API ยท Webapp ยท Guided learning |
| Gemini 2.5 Flash | Image preview |
| Gemini 2.0 Flash | Webapp |
| AI Studio Build | System prompt |
| Nano / Banana 2 | System prompt |
| NotebookLM | Chat |
xAI โ Grok
| Model | Prompt |
|---|---|
| Grok Build | System prompt (CLI Agent) |
| Grok 4.3 Beta | System prompt |
| Grok 4.2 | System prompt |
| Grok Expert | System prompt |
Older versions
| Grok 4.1 Beta | System prompt |
| Grok 4 | System prompt ยท API |
| Grok 3 | System prompt |
| Grok Account | System prompt |
| Grok Personas | Personas |
| Safety Instructions | Post-new |
Perplexity
| Model | Prompt |
|---|---|
| Perplexity Computer | System prompt |
| Comet Browser | System prompt |
| Voice Assistant | System prompt |
Microsoft โ Copilot
| Product | Prompt |
|---|---|
| GitHub Copilot | System prompt |
| VS Code Copilot Agent | System prompt |
| Copilot CLI | System prompt |
| Copilot in Word | System prompt |
Cursor
| Product | Prompt |
|---|---|
| Cursor | System prompt |
Meta
| Product | Prompt |
|---|---|
| Meta AI | System prompt |
Mistral
| Product | Prompt |
|---|---|
| Le Chat | System prompt |
Notion
| Product | Prompt |
|---|---|
| Notion AI | System prompt |
Qwen
| Product | Prompt |
|---|---|
| Qwen 3.6 Plus | System prompt |
Misc
| Product | Prompt |
|---|---|
| Amp Code (Sourcegraph) | System prompt |
| Docker Gordon AI | System prompt |
| ElevenLabs Voice Agent | System prompt |
| OpenCode | System prompt |
| Reddit Answers | System prompt |
| Warp 2.0 Agent | System prompt |
| Zed AI | System prompt |
More products
| Brave Search | System prompt |
| Character AI | System prompt |
| Confer | System prompt |
| Fellou Browser | System prompt |
| Gizmo AI | System prompt |
| Hermes | System prompt |
| Indus AI | System prompt |
| Kagi Assistant | System prompt |
| MiniMax M2.5 | System prompt |
| Proton Lumo AI | System prompt |
| Raycast AI | System prompt |
| Sesame AI Maya | System prompt |
| t3.chat | System prompt |
| t3 Code | System prompt |