CriticalDeprecation
Anthropic deprecating Claude Haiku 3.5 model by June 15, 2026
Action Required
Applications using Claude Haiku 3.5 will no longer function after June 15, 2026, requiring immediate migration to a supported model.
AI Impact Summary
Anthropic is deprecating the Claude Haiku 3.5 model, scheduled for retirement on June 15, 2026. Users relying on this model must migrate to Claude Sonnet 4.6 or Claude Opus 4.7 to avoid service disruption. This deprecation impacts applications currently leveraging Haiku 3.5 for its specific capabilities, necessitating a proactive migration strategy.
Anthropic deprecating Claude Haiku 3.5 model by June 15, 2026
Affected Systems
Claude Haiku 3.5
- Date
- 15 Jun 2026
- Change type
- deprecation
- Severity
- critical