Qwen3.5 397B-A17B

Parameters

397B

Published

Feb 13, 2026

Qwen3.5 397B-A17B is an AI model developed by Alibaba (China), first published in February 2026. It works in the language and vision domain, on tasks such as language modeling/generation and vision-language generation.

Epoch AI has no training-compute estimate for this model. The model has 397,000,000,000 parameters.

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

Full record

Organization: Alibaba
Country of organization: China
Domain: Language, Vision
Task: Language modeling/generation, Vision-language generation
Parameters: 397,000,000,000
Model accessibility: Open weights (unrestricted)
Open weights: Yes
Epoch confidence: Likely