Thanks to
System Prompts Leaks
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.
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 an interactive breakdown of what is inside system prompts, topic by topic, from this repo's files: System prompts and what they tell us about the chat before the chat (July 10, 2026)
Simon Willison calls it "the most thorough leaked system prompt collection I know of": ChatGPT search now uses the site: operator at scale (August 20, 2026)
Most recent additions/changes
| What | Date | Link |
|---|---|---|
| Claude artifact types (Slides, Dashboard, Design, Docs) | October 9, 2026 | Slides · Dashboard · Design · Design System · Docs · all types |
| Claude Haiku 5.5 | October 7, 2026 | Claude Haiku 5.5 system prompt |
| Haiku 5.5 Claude Code | October 7, 2026 | Claude Code system prompt (Haiku 5.5) |
| ChatGPT Dots | October 5, 2026 | Dreamer system prompt · Voice · all prompts · skills |
| Muse Spark 1.3 Muse Code | October 4, 2026 | Muse Code system prompt (Muse Spark 1.3) · skills · prompts |
| Meta Muse agent (VM files) | October 3, 2026 | Muse agent system prompt · all VM files |
| Grok 4.7 | October 3, 2026 | Grok 4.7 system prompt (grok.com) |
| 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 |
Anthropic — Claude
Claude.ai system prompts (web, desktop & mobile)
| Model | Prompt |
|---|---|
| Claude Haiku 5.5 | Claude Haiku 5.5 system prompt |
| Claude Sonnet 5.5 | Claude Sonnet 5.5 system prompt |
| Claude Opus 5.5 | Claude Opus 5.5 system prompt |
| Claude Fable 5.1 | Claude Fable 5.1 system prompt |
| Claude Opus 5 | Claude Opus 5 system prompt |
| Claude Fable 5 | Claude Fable 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 · No tools |
| Claude Sonnet 4.6 | Claude Sonnet 4.6 system prompt · No tools |
| Injected reminders | Claude.ai injected reminders |
Claude Code system prompts
| Component | Prompt |
|---|---|
| Opus 5.5 Claude Code | Claude Code system prompt (Opus 5.5) |
| Sonnet 5.5 Claude Code | Claude Code system prompt (Sonnet 5.5) |
| Haiku 5.5 Claude Code | Claude Code system prompt (Haiku 5.5) |
| Fable 5.1 Claude Code | Claude Code system prompt (Fable 5.1) |
| Fable 5.1 Claude Code Desktop | Claude Code desktop app system prompt (Fable 5.1) · Fable 5 |
| Fable 5.1 Claude Code on the web | Claude Code on the web (cloud) system prompt (Fable 5.1) |
| Fable 5.1 Claude Code headless | Claude Code headless system prompt (Fable 5.1) |
| Opus 5 Claude Code | Claude Code system prompt (Opus 5) |
| Fable 5 Claude Code | Claude Code system prompt (Fable 5) |
| Opus 4.8 Claude Code | Claude Code system prompt (Opus 4.8) |
| Sonnet 5 Claude Code | Claude Code system prompt (Sonnet 5) |
| Claude Code (older models) | Opus 4.7 · Opus 4.6 · Sonnet 4.6 · Haiku 4.5 |
| Subagents | Claude Code subagent system prompts |
| Advisor tool | Advisor tool prompts (both sides) |
| Skills & commands | Claude Code skills · Slash commands |
| Docs assistant | docs.claude.com assistant instructions |
Claude artifact types (Slides, Dashboard, Design, Docs)
| Type | Prompt |
|---|---|
| Claude Slides | Slides type skill · references |
| Claude Dashboards | Dashboard type skill · references |
| Claude Design (canvas) | Design type skill · references |
| Claude Docs | Docs type skill |
| Design System | Design System type skill · references |
Claude integrations
| Product | Prompt |
|---|---|
| Claude Projects | Claude Projects - Thread Claude system prompt |
| Claude Design | Claude Design system prompt · skills · starter components |
| Claude Cowork | Claude Cowork system prompt · Dispatch · setup skills |
| Claude Science | Claude Science system prompt |
| Claude for Microsoft 365 | Claude for Excel · Claude for Word · Claude in PowerPoint |
| Claude in Chrome | Claude in Chrome extension system prompt |
| Claude iOS app | Claude mobile iOS system prompt |
OpenAI — ChatGPT
| 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 · Agent mode |
| ChatGPT Atlas | ChatGPT Atlas system prompt |
| ChatGPT 4.5 | ChatGPT 4.5 system prompt |
| ChatGPT 4o | ChatGPT 4o system prompt · Deprecation preparedness |
| Voice modes | ChatGPT advanced voice mode system prompt · Legacy voice mode |
| ChatGPT Dots | Dreamer system prompt · Voice · Tools · Available skills · 28 skills |
| Personalities | ChatGPT personality instructions |
| Memory | ChatGPT advanced memory system prompt |
Codex system prompts
| Model | Prompt |
|---|---|
| GPT-6.1 Codex | GPT-6.1-Sol Codex system prompt · ChatGPT Work local |
| GPT-6 Codex | GPT-6-Astra Codex system prompt · Sol · Luna · ChatGPT Work local |
| GPT-5.6 Codex | Codex GPT-5.6 system prompt (Terra/Luna) |
| GPT-5.5 Codex | Codex GPT-5.5 system prompt · Full prompt · Friendly · Pragmatic |
| GPT-5.4 Codex | Codex GPT-5.4 system prompt · Mini |
| Codex Spark | Codex Spark system prompt |
| Codex modes | Plan mode · Auto-review · Computer use · Control Chrome · In-app browser |
| Personas | Friendly · Pragmatic |
API-injected prompts
| Model | Prompt |
|---|---|
| GPT-5.5 | GPT-5.5 API system prompt · Pro |
| GPT-5.4 / 5.3 | GPT-5.4 API · 5.3 Chat · 5.3 Codex |
| o-series & older | o3 / o4-mini reasoning-effort variants |
Old models, tools & deprecated features
| Category | Prompts |
|---|---|
| Old models | GPT-4.5 · GPT-4.1 · GPT-4.1 Mini · o3 · o4-mini · GPT-5.2 Mini (free) · ChatGPT 4o Mini |
| Old 4o variants | 4o WhatsApp · 4o new personality · Monday GPT |
| Old tools | Canvas · Image gen · File search · Python · Web search |
| Old policies | Image safety · Image safety (2026) · Automation context |
| GPT-5 personalities | Listener · Nerdy · Robot |
| GPT-5.1 personalities | Efficient · Professional · Nerdy |
| Deprecated features | Deep research tool · Study and learn · All |
Google — Gemini
| Model | Prompt |
|---|---|
| Gemini 3.8 Flash | Gemini 3.8 Flash system prompt |
| Gemini 3.1 Pro | Gemini 3.1 Pro system prompt · API |
| Antigravity CLI | Antigravity CLI system prompt |
| Gemini 3.7 Flash | Gemini 3.7 Flash system prompt |
| Gemini 3.5 Flash | Gemini 3.5 Flash system prompt · AI Studio |
| 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 · 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
| Model | Prompt |
|---|---|
| Gemini 2.5 Pro | API · Webapp · Guided learning |
| Gemini 2.5 Flash | Image preview |
| Gemini 2.0 Flash | Webapp |
SpaceXAI — Grok
| Model | Prompt |
|---|---|
| Grok 4.7 | Grok 4.7 system prompt (grok.com) · Grok CLI |
| Grok 4.6 | Grok 4.6 system 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 |
| Grok Bot | Grok Bot system prompt |
Older versions
| Model | Prompt |
|---|---|
| Grok 4.1 Beta | Grok 4.1 Beta system prompt |
| Grok 4 | Grok 4 system prompt · API |
| Grok 3 | Grok 3 system prompt |
| Grok Account | Grok account system prompt |
| Grok Personas | Grok persona prompts |
| Safety Instructions | Grok safety instructions |
Meta — Muse
| Product | Prompt |
|---|---|
| Muse agent | Muse agent system prompt (Muse Spark 1.3, VM) · home dir, docs, templates · 89 skills |
| Muse Code | Muse Code system prompt (Muse Spark 1.3) · skills · prompts |
| Meta AI (meta.ai) | Muse Spark 1.1 system prompt · Muse Spark |
Perplexity
| 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 |
Cursor
| Product | Prompt |
|---|---|
| Cursor | Cursor system prompt |
Mistral
| Product | Prompt |
|---|---|
| Mistral Medium 3.5 (Vibe) | Mistral Medium 3.5 system prompt |
| Mistral Code | Mistral Code system prompt |
Moonshot — Kimi
| Model | Prompt |
|---|---|
| Kimi K3 | Kimi K3 system prompt |
| Kimi K2.6 | Kimi K2.6 system prompt |
DeepSeek
| Product | Prompt |
|---|---|
| DeepSeek | DeepSeek system prompt (chat.deepseek.com) |
Z.ai — GLM
| Product | Prompt |
|---|---|
| GLM | GLM serves no system prompt — verified & documented |
Notion AI
| Product | Prompt |
|---|---|
| Notion AI | Notion AI system prompt |
Qwen
| Product | Prompt |
|---|---|
| Qwen 3.8 Max | Qwen 3.8 Max system prompt |
| Qwen 3.6 Plus | Qwen 3.6 Plus system prompt |
Microsoft — Copilot
| 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 |
Other products
| 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
| Product | Prompt |
|---|---|
| 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 |
| Pi (Inflection) | Pi 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 |
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