Qwen3.5-9B

Parameters

9B

Published

Feb 24, 2026

Qwen3.5-9B is an AI model developed by Alibaba (China), first published in February 2026. It works in the language domain, on tasks such as language modeling/generation.

Epoch AI has no training-compute estimate for this model. The model has 9,000,000,000 parameters.

Access: Open weights (restricted use). Its weights are openly available. Epoch AI rates the confidence of this record as confident.

Full record

Organization: Alibaba
Country of organization: China
Domain: Language
Task: Language modeling/generation
Parameters: 9,000,000,000
Model accessibility: Open weights (restricted use)
Open weights: Yes
Epoch confidence: Confident

Benchmark results

01	SciCode	Score	0.28
02	Terminal-Bench	Accuracy mean	0.09
03	Critpt	Accuracy	0