Anthropic
claude-3-haiku-20240307
☠ Dead
Yes. claude-3-haiku-20240307 was shut down on April 20, 2026. Requests to it fail.
On Amazon Bedrock it appears as anthropic.claude-3-haiku-20240307-v1:0, on Google Vertex AI as claude-3-haiku@20240307. Those platforms set their own retirement dates: check their pages.
Recommended replacement: claude-haiku-4-5-20251001
Source: Anthropic deprecation page, announced February 19, 2026.
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