Vertex AI
gemini-2.0-flash model retirement
Stopped workingSubscribe to Vertex AIShare
Calls to model gemini-2.0-flash fail since June 1, 2026. Vertex AI retired the model on that day, and subsequent requests directed to it return errors rather than responses.
The error you get
What Vertex AI answers a call to gemini-2.0-flash once the model is gone, as recorded from real responses:
{"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
Move to gemini-3.5-flash-lite, which is recommended by Google.
In Vertex AI's words
Model ID: gemini-2.0-flash; Release date: February 5, 2025; Retirement date: June 1, 2026; Recommended upgrade: gemini-3.5-flash-lite
Facts
- API
- Vertex AI
aiplatform.googleapis.com - Model
gemini-2.0-flash- Released
- December 11, 2024 (models.dev)
- Kind
- Model retirement
- Takes effect
- June 1, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against Vertex AI's own pages
Questions
When does gemini-2.0-flash shut down?
Calls to the model gemini-2.0-flash on Vertex AI 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 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.
When was gemini-2.0-flash released?
gemini-2.0-flash was released on December 11, 2024, according to models.dev.
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.
gemini-2.0-flash on other APIs 1
-
Gemini API
gemini-2.0-flashModel retirement Stopped working
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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.