system_prompts_leaks
Extracted system prompts from Anthropic - Claude Fable 5.1, Opus 5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google - Gemini 3.8 Flash, 3.1 Pro, Antigravity. xAI - Grok, Grok Bot, Cursor, Kimi and more! Updated regularly.
Install / Use
npx skills add asgeirtj/system_prompts_leaksInstalls into whichever agent you are using.
CLAUDE.md
Claude Code project instructions
Quality Score
Category
AI & Machine LearningSupported Platforms
Skill content
View source on GitHubMake your AI agents self-healing
</div>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.
<picture> <source media="(prefers-color-scheme: dark)" srcset=".github/banner-dark.png"> <source media="(prefers-color-scheme: light)" srcset=".github/banner-light.png"> <img alt="ChatGPT leaking its system prompt after being asked to repeat all of the above" src=".github/banner-light.png"> </picture>
Recently Updated
| What | Date | Link | |------|------|------| | Codex GPT-5.6 (Sol variant) | July 26, 2026 | Codex GPT-5.6 system prompt (Terra/Luna) · Sol | | 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 | | DeepSeek | July 14, 2026 | DeepSeek 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)
| 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 · 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 | |-----------|--------| | 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 · Opus 4.6 · Sonnet 4.6 · Haiku 4.5 | | Subagents | Claude Code subagent system prompts | | Skills & commands | Claude Code bundled skills · Slash commands · Skills | | Injected reminders | Claude Code injected reminders | | 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 · skills · starter components | | Claude Cowork | Claude Cowork system prompt · Dispatch | | 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 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 · 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 | | 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) · Sol | | Codex GPT-5.5 | Codex GPT-5.5 system prompt · Full prompt · Friendly · Pragmatic | | Codex GPT-5.4 | 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 |
<details><summary>Old models, tools & deprecated features</summary>| | | |--|--| | 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 | | Deprecated features | GPT-5 personalities · GPT-5.1 personalities · Deep research tool · Study and learn · All | | GPT-5.1 (old) | Professional |
</details>
Google — Gemini system prompts
| Model | Prompt | |-------|--------| | Gemini 3.5 Flash | Gemini 3.5 Flash system prompt · AI Studio | | Gemini 3.1 Pro | Gemini 3.1 Pro system prompt · 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 · Gemini 3 Pro | | Gemini YouTube | [Gemini YouTube system p
Truncated for display — read the full file on GitHub.
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