System Prompts Leaks

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.

[](LICENSE)

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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 · [Son