# Anthropic System Prompts

Official system prompts from Anthropic's Claude models.

## 📋 Contents

- **Sonnet 4.5 Prompt.txt** - System prompt for Claude Sonnet 4.5
- **Claude Code 2.0.txt** - System prompt for Claude Code 2.0 interface

## 🤖 Models

- `claude-sonnet-4.5` - Latest frontier model from Anthropic
- `claude-code-2.0` - Claude's coding interface

## 📊 Details

| File | Size | Description |
|------|------|-------------|
| Sonnet 4.5 Prompt.txt | ~42 KB | Core system prompt for Claude Sonnet 4.5 |
| Claude Code 2.0.txt | ~56 KB | System prompt for Claude Code interface |

## 🔗 Links

- **Official Website**: [anthropic.com](https://anthropic.com)
- **Documentation**: [docs.anthropic.com](https://docs.anthropic.com)
- **API Access**: [console.anthropic.com](https://console.anthropic.com)

## 📝 Notes

These prompts represent Anthropic's approach to:
- Safety and alignment
- Tool use and function calling
- Code generation and analysis
- Structured output and reasoning

## 🔄 Updates

Last updated: January 2025

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