CriticalDeprecation
OpenAI retiring Claude Opus 3 model — migration to Claude Opus 4.5 required
Action Required
Applications using Claude Opus 3 will cease to function after the retirement date, necessitating immediate migration to a supported model.
AI Impact Summary
OpenAI is retiring the Claude Opus 3 model, requiring immediate migration to a supported alternative like Claude Opus 4.5. This deprecation impacts applications currently relying on Opus 3, which will return errors after June 15, 2026. Users should prioritize migrating to Claude Sonnet 4.6 or Claude Opus 4.7 to avoid service disruption.
OpenAI retiring Claude Opus 3 model — migration to Claude Opus 4.5 required
Affected Systems
Claude Opus 3
- Date
- Date not specified
- Change type
- deprecation
- Severity
- critical