Sonnet 4.5 is the best model in the world for agents, coding, and computer usage. It is also our most accurate and detailed model for long-running tasks, with enhanced knowledge in coding, finance, and cybersecurity.
This model supports a thinking parameter to enable thinking requests in Claude mode.
Pricing
Input Modalities
- Text
- Vision
Output Modalities
- Text
Context length
- 200K tokens
Max output
- 64K tokens
Capabilities
- Thinking
- Streaming
- Tool calling
- Web search
- URL context
- Code interpreter
- Computer use
- File search
- Memory tool
- Structured outputs
- Citations
- Prompt caching
- Background mode
- Server-side sessions
Try this model
Python