HighDeprecation
Claude Haiku 3 retired; upgrade to Claude Haiku 4.5
Action Required
Applications calling Claude Haiku 3 will fail after retirement unless migrated to Claude Haiku 4.5.
AI Impact Summary
Claude Haiku 3 has been retired, and all Haiku 3 requests will return errors. Applications must migrate to Claude Haiku 4.5 to restore functionality. Expect potential differences in prompts, API surface, or rate limits between Haiku 3 and Haiku 4.5, so perform parallel testing and update client libraries before cutover.
Claude Haiku 3 retired; upgrade to Claude Haiku 4.5
Affected Systems
Claude Haiku 3
- Date
- Date not specified
- Change type
- deprecation
- Severity
- high