System Prompts Leaks
Extracted system prompts from ChatGPT (GPT-5.4, GPT-5.3, Codex), Claude (Opus 4.6, Sonnet 4.6, Claud
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System Prompts Leaks
Extracted system prompts, system messages, and developer instructions from popular AI chatbots and coding assistants — ChatGPT (GPT-5.4, GPT-5.3, Codex), Claude (Opus 4.6, Sonnet 4.6, Claude Code), Gemini (3.1 Pro, 3 Flash, Gemini CLI), Grok (4.2, 4), Perplexity, and more.
Updated regularly with new models and versions. PRs welcome.
Anthropic — Claude
| Model | Prompt |
|---|---|
| Claude Opus 4.6 | **System prompt** |
| Claude Sonnet 4.6 | **System prompt** |
| Claude.ai | Human-readable · Injections |
| Claude Code | System prompt |
| Claude Cowork | System prompt |
| Claude Desktop Code | System prompt |
| Claude in Chrome | System prompt |
| Claude for Excel | System prompt |
| Default Styles | Styles |
Older & variant versions
| Without tools | Opus 4.6 · Sonnet 4.6 |
| 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 |
OpenAI — ChatGPT
| Model | Prompt |
|---|---|
| GPT-5.4 | **API** · **Thinking** |
| GPT-5.3 | **Codex** · Codex API · Chat API · Instant |
| GPT-5.2 | Mini (free) · Thinking |
| Codex CLI | System prompt |
| o4-mini | System prompt · High |
| o3 | System prompt |
| ChatGPT Atlas | System prompt |
| Tools | Web search · Deep research · Python · Canvas · Image gen · Memory · File search |
| Policies | Image safety · Automation context |
Older models & variants
Don't lose this
Three weeks from now, you'll want System Prompts Leaks again. Will you remember where to find it?
Save it to your library and the next time you need System Prompts Leaks, it’s one tap away — from any AI app you use. Group it into a bench with the rest of the team for that kind of task and you can pull the whole stack at once.
⚡ Pro tip for geeks: add a-gnt 🤵🏻♂️ as a custom connector in Claude or a custom GPT in ChatGPT — one click and your library is right there in the chat. Or, if you’re in an editor, install the a-gnt MCP server and say “use my [bench name]” in Claude Code, Cursor, VS Code, or Windsurf.
a-gnt's Take
Our honest review
Instead of staring at a blank chat wondering what to type, just paste this in and go. Extracted system prompts from ChatGPT (GPT-5.4, GPT-5.3, Codex), Claude (Opus 4.6, Sonnet 4.6, Claud. You can tweak the parts in brackets to make it yours. It's completely free and works across most major AI apps. This one just landed in the catalog — worth trying while it's fresh.
Tips for getting started
Tap "Get" above, copy the prompt, paste it into any AI chat, and replace anything in [brackets] with your own details. Hit send — that's it.
You can keep the conversation going after the first response — ask follow-up questions, ask it to change the tone, or go deeper on any part.
What's New
Imported from GitHub
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