# qwen3-coder-480b-a35b-instruct-maas

Calls to the model qwen3-coder-480b-a35b-instruct-maas on Vertex AI stopped working on October 21, 2026.

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 Vertex AI returns once qwen3-coder-480b-a35b-instruct-maas is gone

HTTP 404

```json
{"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

Google recommends to Self-deploy Qwen3 Coder on Model Garden.

- 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
- Calls it hits: `model qwen3-coder-480b-a35b-instruct-maas`
- Source: [Deprecations page](https://docs.cloud.google.com/gemini-enterprise-agent-platform/models/deprecations/open-models)
- Verified: November 6, 2026, against Vertex AI's own pages
- Page: https://www.okapi.bot/models/vertex-ai/qwen3-coder-480b-a35b-instruct-maas/

## 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

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent