HighDeprecation
Claude Sonnet 4 and Claude Opus 4 deprecated; retirement on 2026-06-15; migrate to Claude Sonnet 4.6
Action Required
Production calls using claude-sonnet-4-20250514 or claude-opus-4-20250514 will fail after 2026-06-15 unless migrated to Claude Sonnet 4.6.
AI Impact Summary
Claude Sonnet 4 (claude-sonnet-4-20250514) and Claude Opus 4 (claude-opus-4-20250514) are deprecated with a retirement date of 2026-06-15 on the Claude API. This creates a hard migration window for production workloads and requires updating all calls to migrate to Claude Sonnet 4.6 to preserve compatibility, while validating token usage, context windows, and performance characteristics before the retirement date.
Claude Sonnet 4 and Claude Opus 4 deprecated; retirement on 2026-06-15; migrate to Claude Sonnet 4.6
Affected Systems
claude-sonnet-4-20250514
- Date
- Date not specified
- Change type
- deprecation
- Severity
- high