AI model · Anthropic
Claude Sonnet 4.6
Model ID: anthropic/claude-sonnet-4.6
- Input
- $3 per 1M tokens
- Output
- $15 per 1M tokens
- Context
- 1M tokens at once
- Max output
- 128K tokens per reply
- Released
- 17 Feb 2026 Anthropic
What it can do
- YesReasoning
- YesTool calling
- YesImage input
- NoOpen weights
- NoFree to use
Takes text, image, file; gives text.
How its listing describes it
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...
Sources
- Anthropic: Claude Sonnet 4.6 on OpenRouter — read 2 Oct 2026