CriticalDeprecation
Anthropic retiring Claude Opus 3 model — migration to Claude Opus 4.7 required
Action Required
Applications currently using Claude Opus 3 will fail to respond after June 15, 2026, unless migrated 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. Users relying on Opus 3 must migrate to Claude Opus 4.7 or newer to avoid errors. This change impacts applications that currently leverage Opus 3 for its advanced reasoning capabilities, necessitating a strategic shift to a supported model to maintain functionality.
Anthropic retiring Claude Opus 3 model — migration to Claude Opus 4.7 required
Affected Systems
Claude Opus 3
- Date
- 15 Jun 2026
- Change type
- deprecation
- Severity
- critical