# deepseek-v3.2-maas

Calls to the model deepseek-v3.2-maas on Vertex AI stopped working on October 21, 2026.

Calls to model deepseek-v3.2-maas on aiplatform.googleapis.com fail since October 21, 2026. Vertex AI deprecated this model on July 21, 2026, and permanently retired it on the October date. Any subsequent requests targeting this model id now fail.

## The error Vertex AI returns once deepseek-v3.2-maas is gone

HTTP 404

```json
{"error":{"code":404,"message":"Publisher model `projects/{project}/locations/{region}/publishers/google/models/deepseek-v3.2-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 DeepSeek-V3.2 on Model Garden as an alternative.

- API: Vertex AI (aiplatform.googleapis.com)
- Model: deepseek-v3.2-maas
- Released: December 17, 2025 (models.dev)
- Kind: Model retirement
- Announced: July 21, 2026
- Takes effect: October 21, 2026
- Calls after that day: fail
- Calls it hits: `model deepseek-v3.2-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/deepseek-v3.2-maas/

## Vertex AI's words

> Model ID: deepseek-v3.2-maas; Deprecation date: July 21, 2026; Retirement date: October 21, 2026; Self-deploy alternative: Self-deploy DeepSeek-V3.2 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
