HighDeprecation
Claude Sonnet 4-20250514 deprecated; migrate to Claude Sonnet 4.6 by 2026-06-15
Action Required
Applications calling claude-sonnet-4-20250514 must switch to Claude Sonnet 4.6 before 2026-06-15 to avoid service disruption.
AI Impact Summary
The claude-sonnet-4-20250514 model is deprecated with a retirement target of 2026-06-15. Migrate to Claude Sonnet 4.6 and assess any prompt, token usage, or output-format differences that could affect downstream applications. Update deployment configs, SDK references, and CI tests to point to the 4.6 model, and plan a staged rollout with validation of latency and cost implications. Communicate the migration timeline to downstream teams to prevent unexpected request failures.
Claude Sonnet 4-20250514 deprecated; migrate to Claude Sonnet 4.6 by 2026-06-15
Affected Systems
claude-sonnet-4-20250514
- Date
- Date not specified
- Change type
- deprecation
- Severity
- high