Open-source VDN speeds Minimax-H3 video generation 75-90x, faster than playback

anselm · x · 2026-09-03

Video Delta Net (VDN) introduces hybrid attention for near-lossless live text-to-video, accelerating Minimax-H3 by 75-90x — generating 14 seconds of 768p video in 11 seconds on 8x NVIDIA B200 GPUs. Checkpoints, training/inference code, and a technical blog are open-sourced.

Related event: Video Delta Net Open-Sourced: Up to 90x Faster Video Generation on MiniMax H3(5 posts)→

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