Anthropic retiring Claude Sonnet 4 and Claude Opus 4 — migrate to 4.6 and 4.7
Action Required
Applications relying on Claude Sonnet 4 or Claude Opus 4 will experience errors and require immediate migration to Claude Sonnet 4.6 and Claude Opus 4.7 to maintain functionality.
AI Impact Summary
Anthropic is deprecating Claude Sonnet 4 and Claude Opus 4, scheduled for a complete removal on June 15, 2026. This impacts any applications currently utilizing these models, necessitating immediate migration to the newer Claude Sonnet 4.6 and Claude Opus 4.7 versions. The transition requires careful consideration of model differences and potential impacts on existing prompts and workflows.
Affected Systems
- Date
- Date not specified
- Change type
- deprecation
- Severity
- high