CriticalDeprecation
Anthropic Deprecating Claude Haiku 3.5 and Sonnet 3.7 Models
Action Required
Applications relying on Claude Haiku 3.5 or Sonnet 3.7 will experience service disruption after June 15, 2026, requiring immediate migration to supported models.
AI Impact Summary
Anthropic is deprecating the Claude Haiku 3.5 model (claude-3-5-haiku-20241022) and the Claude Sonnet 3.7 model (claude-3-7-sonnet-20250219), with the final retirement of Claude Haiku 3.5 scheduled for June 15, 2026. Users must migrate to Claude Sonnet 4.6 and Claude Opus 4.7 respectively to avoid service disruption, impacting applications currently relying on these models.
Anthropic Deprecating Claude Haiku 3.5 and Sonnet 3.7 Models
Affected Systems
Claude Haiku 3.5
- Date
- 15 Jun 2026
- Change type
- deprecation
- Severity
- critical