Qwen3.5-27B
Alibaba · 2026-02-24 · 27.8B parameters
Qwen3.5-27B is Alibaba's open-weight, dense, post-trained multimodal model in the Qwen3.5 medium series, released February 24, 2026. Its complete checkpoint contains 27,781,427,952 parameters; it accepts text, images, and video, produces text, uses a hybrid Gated DeltaNet/full-attention architecture, supports optional thinking, and is Apache 2.0 licensed. It supports 262,144 tokens natively and documents YaRN extension to 1,010,000 tokens.