Anthropic retiring Claude Opus 3 model — migration to Claude Opus 4.7 required
Action Required
Applications using Claude Opus 3 will stop functioning after June 15, 2026, requiring immediate migration to a supported model.
AI Impact Summary
Anthropic is retiring the Claude Opus 3 model, requiring users to migrate to Claude Opus 4.7 or later. This change impacts applications currently relying on Opus 3, necessitating code updates and potential configuration adjustments. The move to Opus 4.7 offers improved performance and a lower cost structure, aligning with Anthropic's ongoing efforts to optimize its models.
Affected Systems
- Date
- 15 Jun 2026
- Change type
- deprecation
- Severity
- critical