Claude Sonnet 3.7
Previous Gen
The first Claude with hybrid reasoning, a single model that can answer instantly or "think harder" via extended thinking.
Claude Sonnet 3.7 is a reasoning 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 200,000-token context window.
INPUT
$3.000/M
per million input tokens
OUTPUT
$15.000/M
per million output tokens
CONTEXT
200,000
tokens
What it is good at
- Hybrid extended thinking
- Coding strength
- Faithful instruction following
Typical use cases
- Reasoning-heavy chat
- Code review
Benchmarks
vs. best public score
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources, treat as directional rather than authoritative.
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Frequently asked questions
How much does Claude Sonnet 3.7 cost?
Claude Sonnet 3.7 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 3.7's context window?
Claude Sonnet 3.7 supports up to 200,000 tokens of context in a single request.
What is Claude Sonnet 3.7 best for?
Claude Sonnet 3.7 is well suited to Hybrid extended thinking, Coding strength and Faithful instruction following.
Who makes Claude Sonnet 3.7?
Claude Sonnet 3.7 is developed and served by Anthropic. It was released in Feb 2025.