# qwen/qwen3.5-9b

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

- API: OpenRouter (openrouter.ai)
- Model: qwen/qwen3.5-9b
- Kind: Model retirement
- Takes effect: October 21, 2026
- Calls after that day: fail
- Calls it hits: `model qwen/qwen3.5-9b`
- Source: [Lifecycle page](https://openrouter.ai/api/v1/models)
- Page: https://www.okapi.bot/models/openrouter/qwen/qwen3.5-9b/

## What to use instead

OpenRouter stops serving it: move to another model it lists.