Anthropic Deprecating Claude Haiku 3.5 Model — Migration to Sonnet 4.6 or Opus 4.7 Required
Action Required
Applications relying on the Claude Haiku 3.5 model will no longer function after the deprecation date, requiring immediate migration planning.
AI Impact Summary
Anthropic is deprecating the Claude Haiku 3.5 model, requiring developers to migrate to alternative models by December 19, 2025. This impacts applications currently utilizing Haiku 3.5, necessitating code changes and potentially impacting performance or features. Migration is recommended to Claude Sonnet 4.6 or Claude Opus 4.7 to avoid disruption.
Affected Systems
- Date
- Date not specified
- Change type
- deprecation
- Severity
- critical