Vertex AI (us-central1-aiplatform.googleapis.com) Gemini 2.0 Flash model retirement

Stopped workingJune 1, 2026Subscribe to Vertex AI (us-central1-aiplatform.googleapis.com)Share

On June 1, 2026, Gemini 2.0 Flash was discontinued and became unavailable. This change affects calls to model Gemini 2.0 Flash, covering both model serving and Provisioned Throughput. Calls to this model now fail.

The error you get

What Vertex AI (us-central1-aiplatform.googleapis.com) answers a call to Gemini 2.0 Flash once the model is gone, as recorded from real responses:

HTTP 404

{"error":{"code":404,"message":"Publisher model `projects/{project}/locations/{region}/publishers/google/models/Gemini 2.0 Flash` 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 Gemini 2.0 Flash

Use Gemini 3.1 Flash-Lite, Gemma 4, or more recent Gemini releases instead.

In Vertex AI (us-central1-aiplatform.googleapis.com)'s words

Gemini 2.0 Flash and 2.0 Flash-Lite are discontinued and are no longer available. This includes both model serving and Provisioned Throughput. Use Gemini 3.1 Flash-Lite, Gemma 4, or more recent Gemini releases.

Vertex AI (us-central1-aiplatform.googleapis.com), Changelog

Facts

API: Vertex AI (us-central1-aiplatform.googleapis.com) us-central1-aiplatform.googleapis.com
Model: Gemini 2.0 Flash
Kind: Model retirement
Announced: June 1, 2026
Takes effect: June 1, 2026
Calls after that day: Fail
Source: Changelog
Last updated: November 2, 2026
Verified: November 3, 2026, against Vertex AI (us-central1-aiplatform.googleapis.com)'s own pages

Questions

When does Gemini 2.0 Flash shut down?

Calls to the model Gemini 2.0 Flash on Vertex AI (us-central1-aiplatform.googleapis.com) stopped working on June 1, 2026.

What happens to calls after June 1, 2026?

They have failed since June 1, 2026.

What error does Gemini 2.0 Flash return once it is shut down?

Vertex AI (us-central1-aiplatform.googleapis.com) answers HTTP 404: "Publisher model `projects/{project}/locations/{region}/publishers/google/models/Gemini 2.0 Flash` 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.

More from Vertex AI (us-central1-aiplatform.googleapis.com) 10

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Jul 17, 2026 gemini-3-pro-image-previewModel retirement Stopped working
Jul 17, 2026 gemini-3.1-flash-image-previewModel retirement Stopped working

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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