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Qwen 3.5 9B

Alibaba · released Mar 2, 2026

size9 B
context window262,144 tokens
longest responsenot stated by the maker
open weightsyes, license: Apache 2.0
price on OpenRouter$0.10 per million input tokens, $0.15 per million output tokens
input and outputtext, images and video in, text out

Manufacturer data (model card, announcement) and OpenRouter, verified Sep 25, 2026.

Where we tested it

The silence test

TaskThe model had to stay quiet for a moment; the correct reply had zero characters.

It did not stay silent in any of its nine tries, and when asked in English to show how it could be silent, it replied that it can’t truly go quiet. In Czech it wrote with Japanese, Greek and Russian in the middle of its sentences.


You'll find the size band and figures for other models on the Tested models page.