Anthropic · Model retirement
claude-3-opus
Stopped working
Calls to the model claude-3-opus on Anthropic stopped working on January 5, 2026.
What to use instead of claude-3-opus
Move to claude-opus-4-8, recommended by Anthropic.
Facts
- API
- Anthropic
api.anthropic.com - Model
claude-3-opus- Kind
- Model retirement
- Takes effect
- January 5, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
claude-3-opus on other APIs
- Vertex AI Stopped working
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