Anthropic retiring Claude Opus 3 model — migration to Claude Opus 4.7 required
Action Required
Applications relying on the Claude Opus 3 model will cease to function after June 15, 2026, necessitating immediate migration to a supported model.
AI Impact Summary
Anthropic is retiring the Claude Opus 3 model, marking the end of support for this previously powerful model. This deprecation requires immediate action from users who rely on Opus 3, as all requests will now fail. Users should migrate to Claude Opus 4.7 or newer models to maintain functionality and avoid disruptions, with Opus 4.7 offering improved intelligence and lower cost.
Affected Systems
- Date
- 15 Jun 2026
- Change type
- deprecation
- Severity
- critical