Key Capabilities
- OpenAI-compatible — Drop-in replacement for the OpenAI SDK, no other code changes needed
- Top-tier coding — Best-performing for code generation, debugging, and refactoring
- Advanced reasoning — Significantly improved multi-step problem solving and analysis
- Fast and efficient — Achieves maximum capability while maintaining Sonnet-level speed
- Long context — Supports large document processing and multi-turn conversations
- Streaming — Real-time token streaming via SSE
Quick Example
Parameters
API Reference
View the interactive API Playground for Claude Sonnet 4.6.

