Claude Sonnet 4.6
Frontier-grade Claude at one fifth of Opus pricing. The default workhorse for most production traffic on the Anthropic API.
Claude Sonnet 4.6 is a multimodal AI model from Anthropic. It costs $3.000 per million input tokens and $15.000 per million output tokens (blended $6.600/M), with a 1,000,000-token context window.
- Best price/performance in the Claude family
- 1M-token context
- Strong vision
- Reliable function calling
- Production chat apps
- Document understanding
- RAG pipelines
- Cost-sensitive coding
Benchmarks
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See all 18 →Frequently asked questions
How much does Claude Sonnet 4.6 cost?
Claude Sonnet 4.6 costs $3.000 per million input tokens and $15.000 per million output tokens, for a blended reference rate of $6.600 per million tokens.
What is Claude Sonnet 4.6's context window?
Claude Sonnet 4.6 supports up to 1,000,000 tokens of context in a single request.
What is Claude Sonnet 4.6 best for?
Claude Sonnet 4.6 is well suited to Best price/performance in the Claude family, 1M-token context and Strong vision.
Who makes Claude Sonnet 4.6?
Claude Sonnet 4.6 is developed and served by Anthropic. It was released in Nov 2025.