HighDeprecation
Claude Sonnet 4 and Claude Opus 4 deprecations with retirement on June 15, 2026; migrate to Claude Sonnet 4.6
Action Required
Applications using claude-sonnet-4-20250514 or claude-opus-4-20250514 will fail after June 15, 2026 unless migrated to Claude Sonnet 4.6.
AI Impact Summary
Two Claude models, claude-sonnet-4-20250514 and claude-opus-4-20250514, are slated for retirement on June 15, 2026. Migration to Claude Sonnet 4.6 is required to maintain production usage; teams should update prompts and API calls to the 4.6 endpoint, verify compatibility with current prompts, and run regression tests before the retirement window. Coordinate rollout in staging and production to avoid service disruption when retirement hits.
Claude Sonnet 4 and Claude Opus 4 deprecations with retirement on June 15, 2026; migrate to Claude Sonnet 4.6
Affected Systems
claude-sonnet-4-20250514
- Date
- Date not specified
- Change type
- deprecation
- Severity
- high