HighDeprecation
Anthropic deprecating 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 service disruption and require immediate migration to Claude Sonnet 4.6 or Claude Opus 4.7 to maintain functionality.
AI Impact Summary
Anthropic is deprecating Claude Sonnet 4 and Claude Opus 4 on the Claude API, with a final retirement date of June 15, 2026. This necessitates immediate migration efforts to the newer Claude Sonnet 4.6 and Claude Opus 4.7 models to avoid service disruption. The shift requires careful consideration of any custom prompts or fine-tuning data associated with the older models, as compatibility is not guaranteed.
Anthropic deprecating Claude Sonnet 4 and Claude Opus 4 — migrate to 4.6 and 4.7
Affected Systems
Claude Sonnet 4
- Date
- Date not specified
- Change type
- deprecation
- Severity
- high