# Qwen3.5 9B

Qwen3.5 9B is a model from Alibaba with open weights, first recorded on 19 Sep 2026; its release date is not established. The context window is 262,144 tokens. Pricing is $0.169 per million input tokens and $0.248 per million output tokens.

- Developer: Alibaba
- Id: Qwen/Qwen3.5-9B
- Sighting: 2026-09-19T07:18:27.762Z
  - [evidence link](https://huggingface.co/Qwen/Qwen3.5-9B)
- Status: Released
- Weights version: 2026-02-27
  - [evidence link](https://huggingface.co/api/models/Qwen/Qwen3.5-9B/paths-info/c202236235762e1c871ad0ccb60c8ee5ba337b9a)
- Canonical: https://alexgetman.com/models/alibaba/qwen3-5-9b/

## Questions

### What is the context window of Qwen3.5 9B?

The context window is 262,144 tokens.

### How much does Qwen3.5 9B cost?

Pricing is $0.169 per million input tokens and $0.248 per million output tokens. Cached input is $0.152 per million.

### Are the weights of Qwen3.5 9B publicly available?

Yes. Alibaba publishes the weights.

### When was Qwen3.5 9B released?

Its release date is not established. Signal Forge first recorded it on 19 Sep 2026.

## Evidence links

- [review](https://huggingface.co/Qwen/Qwen3.5-9B)
- [hf-author-artifacts:Qwen](https://huggingface.co/api/models/Qwen/Qwen3.5-9B/paths-info/c202236235762e1c871ad0ccb60c8ee5ba337b9a)
- [openrouter](https://openrouter.ai/qwen/qwen3.5-9b)

## Signals