# Anthropic's Claude 3.5 Haiku

Vertex AI deprecated the model Anthropic's Claude 3.5 Haiku without giving a shutdown date yet.

- API: Vertex AI (aiplatform.googleapis.com)
- Model: Anthropic's Claude 3.5 Haiku
- Kind: Model retirement
- Announced: January 5, 2026
- Takes effect: no date given yet
- Calls after that day: fail
- Calls it hits: `model Anthropic's Claude 3.5 Haiku`
- Source: [Changelog](https://docs.cloud.google.com/vertex-ai/docs/release-notes)
- Verified: November 6, 2026, against Vertex AI's own pages
- Page: https://www.okapi.bot/models/vertex-ai/anthropic-s-claude-3.5-haiku/

## Vertex AI's words

> Anthropic's Claude 3.5 Haiku is deprecated as of January 5, 2026 and will be shut down on July 5, 2026.

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent