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Vertex AI claude-3-haiku@* model retirement

Stopped workingSubscribe to Vertex AIShare

Calls to models claude-3-haiku@* on Vertex AI stopped working on August 23, 2026.


Calls it hits

  • models claude-3-haiku@*

Facts

API
Vertex AI aiplatform.googleapis.com
Kind
Model retirement
Takes effect
August 23, 2026
Calls after that day
Fail
Source
Deprecations page
Last updated
Verified
, against Vertex AI's own pages

Questions

When does this change take effect?

Calls to models claude-3-haiku@* on Vertex AI stopped working on August 23, 2026.

What happens to calls after August 23, 2026?

They have failed since August 23, 2026.

How do I find the calls this hits in my code?

Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.


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You fixed this one by hand.

Okapi opens the pull request with the fix before the next breaking change reaches your code.

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