Vertex AI
imagen-3.0-capability-002 model retirement
Stopped workingSubscribe to Vertex AIShare
Vertex AI retired the model imagen-3.0-capability-002 on June 30, 2026. Calls specifying model imagen-3.0-capability-002 fail since that day. The deprecation was originally announced on March 24, 2026.
The error you get
What Vertex AI answers a call to imagen-3.0-capability-002 once the model is gone, as recorded from real responses:
{"error":{"code":404,"message":"Publisher model `projects/{project}/locations/{region}/publishers/google/models/imagen-3.0-capability-002` was not found or your project does not have access to it. Ensure you are using a valid model name and that the model is available in the specified region.","status":"NOT_FOUND"}}What to use instead of imagen-3.0-capability-002
Update your model endpoints to use gemini-2.5-flash-image instead of imagen-3.0-capability-002 to avoid service disruption.
In Vertex AI's words
| `imagen-3.0-capability-002` | `gemini-2.5-flash-image` |
Facts
Questions
When does imagen-3.0-capability-002 shut down?
Calls to the model imagen-3.0-capability-002 on Vertex AI stopped working on June 30, 2026.
What happens to calls after June 30, 2026?
They have failed since June 30, 2026.
What error does imagen-3.0-capability-002 return once it is shut down?
Vertex AI answers HTTP 404: "Publisher model `projects/{project}/locations/{region}/publishers/google/models/imagen-3.0-capability-002` was not found or your project does not have access to it. Ensure you are using a valid model name and that the model is available in the specified region.". Send another model to fix it.
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.