dots3-note Preview Open-Sourced: 280B Parameters Rivals DeepSeek-V3

ChengleiSi · x · 2026-08-14

dots3-note Preview has been officially open-sourced. As the lightest model in the dots3 family, it features 280B total parameters with only 16B activated. It supports a 512K context window and offers multimodal understanding across text, images, video, and audio.

According to its developers, the model outperforms HY3, matches or exceeds GLM-5.2, and reaches the overall performance level of the official DeepSeek-V3-Flash release. The model is now available for download, testing, and further development.

Related event: Xiaohongshu Open-Sources dots3-note: 280B Model for Long-Horizon Agents(8 posts)→

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