CriticalDeprecation
Anthropic deprecating Claude Haiku 3.5 and Claude Sonnet 3.7 models
Action Required
Applications relying on Claude Haiku 3.5 or Claude Sonnet 3.7 will no longer function after June 15, 2026, requiring immediate migration planning.
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 Claude Haiku 3.5 model sunsetting on June 15, 2026. Users relying on these models must migrate to Claude Sonnet 4.6 and Claude Opus 4.7 respectively to avoid service disruption, impacting applications that depend on these models for their functionality.
Anthropic deprecating Claude Haiku 3.5 and Claude Sonnet 3.7 models
Affected Systems
Claude Haiku 3.5
- Date
- 15 Jun 2026
- Change type
- deprecation
- Severity
- critical