Vertex AI
gemini-3.7-flash model retirement
Stops workingSubscribe to Vertex AIShare
On January 28, 2027, the model gemini-3.7-flash will be retired on Vertex AI. Calls targeting model gemini-3.7-flash will fail after this date.
The error you get from January 28, 2027
What Vertex AI answers a call to gemini-3.7-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-3.7-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-3.7-flash
Move to the replacement model gemini-3.8-flash, as recommended by Google.
In Vertex AI's words
Model ID: gemini-3.7-flash; Release date: August 13, 2026; Retirement date: January 28, 2027; Replacement model ID: gemini-3.8-flash
Facts
- API
- Vertex AI
aiplatform.googleapis.com - Model
gemini-3.7-flash- Released
- August 13, 2026 (models.dev)
- Kind
- Model retirement
- Takes effect
- January 28, 2027
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against Vertex AI's own pages
Questions
When does gemini-3.7-flash shut down?
Calls to the model gemini-3.7-flash on Vertex AI stop working on January 28, 2027.
What happens to calls after January 28, 2027?
They fail from that day.
What error does gemini-3.7-flash return once it is shut down?
Vertex AI answers HTTP 404: "Publisher model `projects/{project}/locations/{region}/publishers/google/models/gemini-3.7-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-3.7-flash released?
gemini-3.7-flash was released on August 13, 2026, 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-3.7-flash on other APIs 1
-
Lovable AI Gateway
google/gemini-3.7-flashModel retirement Redirectsin 83 days
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Is your code calling this?
Okapi finds the calls this change hits in your repo and opens the pull request with the fix before January 28, 2027.