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Claude Sonnet 3.7
Model family: claude-sonnet-3
Claude Sonnet 3.7 — a legacy Sonnet that introduced extended thinking, still available for compatibility.
Identity
- Creator
- Anthropic
- Model family
- claude-sonnet-3
- Release date
- 2025-02-23
Technical specs
- Parameter count
- A Claude 3.7 Sonnet, notable for introducing extended step-by-step thinking. Now legacy, still served for compatibility.
- Context window
- 200K tokens
- Modalities
- Image Input
- Text
- Primary capabilities
- Chat
- Coding
- Instruction Following
- Long Context
- Reasoning
- Tool Use
- Vision
License
- License
- Anthropic Commercial Terms of Service
- Commercial use
- Allowed
- Terms
- Modification ✗
- Redistribution ✗
- Attribution ✗
Access
- Openness
- Closed Api
- Access methods
- Api First Party
- Api Third Party
- Hosted Chat Ui
- Cost tier
- Paid Api
Sources
- llm
- closed-api
- multimodal
- coding
- us-based
- proprietary