Vertex AI
qwen3-coder-480b-a35b-instruct-maas model retirement
Stopped workingSubscribe to Vertex AIShare
On October 21, 2026, model qwen3-coder-480b-a35b-instruct-maas was retired. The model was previously deprecated on July 21, 2026. Any calls sent to this model fail since the retirement date.
The error you get
What Vertex AI answers a call to qwen3-coder-480b-a35b-instruct-maas once the model is gone, as recorded from real responses:
{"error":{"code":404,"message":"Publisher model `projects/{project}/locations/{region}/publishers/google/models/qwen3-coder-480b-a35b-instruct-maas` 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 qwen3-coder-480b-a35b-instruct-maas
Google recommends to Self-deploy Qwen3 Coder on Model Garden.
In Vertex AI's words
Model ID: qwen3-coder-480b-a35b-instruct-maas; Deprecation date: July 21, 2026; Retirement date: October 21, 2026; Self-deploy alternative: Self-deploy Qwen3 Coder on Model Garden
Facts
- API
- Vertex AI
aiplatform.googleapis.com - Model
qwen3-coder-480b-a35b-instruct-maas- Kind
- Model retirement
- Announced
- July 21, 2026
- Takes effect
- October 21, 2026
- Calls after that day
- Fail
- Source
- Deprecations page
- Last updated
- Verified
- , against Vertex AI's own pages
Questions
When does qwen3-coder-480b-a35b-instruct-maas shut down?
Calls to the model qwen3-coder-480b-a35b-instruct-maas on Vertex AI stopped working on October 21, 2026.
What happens to calls after October 21, 2026?
They have failed since October 21, 2026.
What error does qwen3-coder-480b-a35b-instruct-maas return once it is shut down?
Vertex AI answers HTTP 404: "Publisher model `projects/{project}/locations/{region}/publishers/google/models/qwen3-coder-480b-a35b-instruct-maas` 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.