OpenRouter
qwen/qwen3.5-9b-20260310 model retirement
Stopped workingSubscribe to OpenRouterShare
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 you get
What OpenRouter answers a call to qwen/qwen3.5-9b-20260310 once the model is gone, as recorded from real responses:
{"error":{"message":"No endpoints found for qwen/qwen3.5-9b-20260310.","code":404}}What to use instead of qwen/qwen3.5-9b-20260310
OpenRouter stops serving it, so you must move to another model it lists.
Facts
- API
- OpenRouter
openrouter.ai - Model
qwen/qwen3.5-9b-20260310- Kind
- Model retirement
- Takes effect
- October 21, 2026
- Calls after that day
- Fail
- Source
- Model list
- Last updated
- Verified
- , against OpenRouter's own pages
Questions
When does qwen/qwen3.5-9b-20260310 shut down?
Calls to the model qwen/qwen3.5-9b-20260310 on OpenRouter stopped working on October 21, 2026.
What happens to calls after October 21, 2026?
They have failed since October 21, 2026.
What error does qwen/qwen3.5-9b-20260310 return once it is shut down?
OpenRouter answers HTTP 404: "No endpoints found for qwen/qwen3.5-9b-20260310.". 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.