Anthropic retiring Claude Opus 3 model — migration to Sonnet 4.6 or 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, a significant change impacting users who rely on it. This deprecation, scheduled for June 15, 2026, requires immediate migration to newer models like Claude Sonnet 4.6 or Claude Opus 4.7 to avoid service disruption. Users should prioritize upgrading to ensure continued access to Claude's advanced capabilities.
Affected Systems
- Date
- 15 Jun 2026
- Change type
- deprecation
- Severity
- critical