Claude Sonnet 4.6
Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with...
The figures
- Made by
- Anthropic
- Model ID
- anthropic/claude-sonnet-4.6
- Input
- $3 per million tokens
- Output
- $15 per million tokens
- Context window
- 1M tokens
- Longest answer
- 128K tokens
- Takes in
- text, image, file
- Gives back
- text
- Reasoning
- Yes
- Tool calling
- Yes
- Reads images
- Yes
- Open weights
- No
- Released
- 17 Feb 2026
Read on 3 Oct 2026.