Anthropic · Model retirement
claude-3-5-haiku
Stopped working
Calls to the model claude-3-5-haiku on Anthropic stopped working on February 19, 2026.
What to use instead of claude-3-5-haiku
Move to claude-haiku-4-5-20251001, recommended by Anthropic.
Facts
- API
- Anthropic
api.anthropic.com - Model
claude-3-5-haiku- Kind
- Model retirement
- Announced
- December 19, 2025
- Takes effect
- February 19, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
claude-3-5-haiku on other APIs
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