Claude Sonnet 3.7
retired Retired
Claude Sonnet 3.7 is a retired Anthropic LLM API model. and shut down on Feb 19, 2026. Migrate any code that still calls claude-3-7-sonnet-20250219 to anthropic/claude-sonnet-4-6.
Recommended action: migrate to
anthropic/claude-sonnet-4-6.
Lifecycle & specs
- Provider
- Anthropic
- API model ID
claude-3-7-sonnet-20250219- Status
- retired
- Released
- Feb 19, 2025
- Deprecated
- Oct 28, 2025
- Retirement date
- Feb 19, 2026
- Replacement
anthropic/claude-sonnet-4-6- Context window
- 200,000 tokens
Source: official Anthropic documentation ↗ · ✓ verified