system_prompts_leaks

Overview

This repository extracts and documents the hidden system prompt instructions used by leading AI chatbots including Claude, ChatGPT, Gemini, Grok, and more. It aims to provide transparency into how these models are configured and is updated regularly as new versions are released.

README Preview

> **As seen in The Washington Post:** [See the hidden rules behind AI. Then use them to rewrite this article.](https://wapo.st/49t4gSb) (May 11, 2026)\n# System Prompts Leaks\nThe purpose of this repo is to document the System Prompt instructions for all the AI chatbots out there - Claude, ChatGPT, Gemini etc.\n\n\n\n[](https://github.com/asgeirtj/system_prompts_leaks)\n\n[](http://makeapullrequest.com)\n\n> 🆕 **[Diff: Claude Opus 4.8 → Claude Fable 5](https://www.diffchecker.com/QJn9jFNk/)** — see exactly what changed in the claude.ai system prompt for Anthropic's newest model\n\n\n\n\n\n## Recently Updated\n\n| What | Date | Link |\n|------|------|------|\n| **Claude Fable 5** | June 9, 2026 | [System prompt](Anthropic/claude-fable-5.md) · [Diff vs Opus 4.8](https://www.diffchecker.com/QJn9jFNk/) |\n| **Claude Opus 4.8** | June 9, 2026 | [System prompt](Anthropic/claude-opus-4.8.md) · [Official](Anthropic/Official/2026-05-28-claude-opus-4.8.md) |\n| **Claude Code Glob & Grep tools** | June 9, 2026 | [Glob](Anthropic/Claude%20Code/glob-tool.md) · [Grep](Anthropic/Claude%20Code/grep-tool.md) |\n| **Claude Code (Opus 4.8)** | May 28, 2026 | [System prompt](Anthropic/Claude%20Code/claude-code-opus-4.8.md) |\n| **Claude Code & Cowork** | May 28, 2026 | [Claude Code](Anthropic/Claude%20Code/claude-code-opus-4.6.md) · [Cowork](Anthropic/claude-cowork.md) · [Cowork Dispatch](Anthropic/claude-cowork-dispatch.md) |\n| **GPT-5.5** | May 24, 2026 | [Thinking](OpenAI/gpt-5.5-thinking.md) · [Instant](OpenAI/gpt-5.5-instant.md) · [API](OpenAI/gpt-5.5-api.md) · [Pro API](OpenAI/gpt-5.5-pro-api.md) |\n| **Perplexity Computer** | May 21, 2026 | [System prompt](Perplexity/perplexity-computer.md) |\n| **VS Code Copilot Agent** | May 21, 2026 | [System prompt](Microsoft/vscode-copilot-agent.md) |\n| **Docker Gordon AI** | May 21, 2026 | [System prompt](Misc/docker-gordon-ai.md) |\n| **Gemini 3.5 Flash** | May 20, 2026 | [System prompt](Google/gemini-3.5-flash.md) · [AI Studio](Google