Claude 3.7 Sonnet (Reasoning)
Older modelsClosed weightsTextReasoning
Claude 3/4 family model by Anthropic — reasoning.
About the Claude 3/4 family
Earlier Claude generations: Claude 3 (Haiku/Sonnet/Opus, 2024) introduced the three-tier lineup; Claude 3.5/3.7 Sonnet became coding favorites; Claude 4 added hybrid reasoning modes.
All Claude 3/4 modelsHow this one is configured
This configuration runs in reasoning mode (thinks step-by-step before answering).
Who makes it
AnthropicUnited StatesSafety-focused lab behind the Claude model family.More from Claude 3/4
- Claude 3 Haiku
- Claude 3 Opus
- Claude 3 Sonnet
- Claude 3.5 Haiku
- Claude 3.5 Sonnet (June '24)
- Claude 3.5 Sonnet (Oct '24)
- Claude 3.7 Sonnet (Non-reasoning)
- Claude 4 Opus (Non-reasoning)
- Claude 4 Opus (Reasoning)
- Claude 4 Sonnet (Non-reasoning)
- Claude 4 Sonnet (Reasoning)
- Claude 4.1 Opus (Non-reasoning)
- Claude 4.1 Opus (Reasoning)