Anthropic · Model retirement
claude-3-5-sonnet-latest
Stopped working
Calls to the model claude-3-5-sonnet-latest on Anthropic stopped working on October 28, 2025.
What to use instead of claude-3-5-sonnet-latest
Move to claude-sonnet-5-5, recommended by Anthropic.
Facts
- API
- Anthropic
api.anthropic.com - Model
claude-3-5-sonnet-latest- Kind
- Model retirement
- Takes effect
- October 28, 2025
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
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