# qwen/qwen3.5-9b-20260310

Calls to the model qwen/qwen3.5-9b-20260310 on OpenRouter stopped working on October 21, 2026.

On October 21, 2026, OpenRouter retired model qwen/qwen3.5-9b-20260310. Calls specifying this model fail since that day. OpenRouter shut down the model without serving requests from a newer version.

## The error OpenRouter returns once qwen/qwen3.5-9b-20260310 is gone

HTTP 404

```json
{"error":{"message":"No endpoints found for qwen/qwen3.5-9b-20260310.","code":404}}
```

## What to use instead

OpenRouter stops serving it, so you must move to another model it lists.

- API: OpenRouter (openrouter.ai)
- Model: qwen/qwen3.5-9b-20260310
- Kind: Model retirement
- Takes effect: October 21, 2026
- Calls after that day: fail
- Calls it hits: `model qwen/qwen3.5-9b-20260310`
- Source: [Model list](https://openrouter.ai/api/v1/models)
- Verified: November 6, 2026, against OpenRouter's own pages
- Page: https://www.okapi.bot/models/openrouter/qwen/qwen3.5-9b-20260310/

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