Alibaba releases Qwen3.5-397B-A17B as open weights
Released Qwen3.5-397B-A17B as open weights — Gated Delta Network + sparse MoE combined with a vision encoder, context of 262,144 (1.01 million with YaRN), 201 languages, Apache 2.0
Why it matters
Applies early-fusion multimodal training to a large Apache 2.0 MoE. Plus remains closed, so open and closed run in parallel
Source — Primary sources first; secondary reports are labelled “Press”
Officialhuggingface.cohttps://huggingface.co/Qwen/Qwen3.5-397B-A17BAdded in Week 35, 2026 · See that week