LLMs & Models5 min read
Open-weight AI
Xiaohongshu's dots3-note: a 280B open MoE that only activates 16B
Xiaohongshu's dots studio has released dots3-note preview, its first open-weight model: a multimodal MoE with 280B parameters, 16B active, and a 512K context window. The sparse design targets low serving cost on one 8-GPU node, but the card has not published benchmark numbers yet.
2026-08-20