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MiniMax H3 Video VAE Speed Boost

MiniMax H3 video VAE now processes video data significantly faster. Encodes up to 2.2x quicker and decodes 1.4-2.7x faster.

Article
date Sep 22, 2026
source Comfy blog

The MiniMax H3 video VAE has been optimized for faster performance. Encoding speeds have increased up to 2.2 times on Nvidia GPUs.

Decoding now completes 1.4 to 2.7 times quicker. This improvement enhances workflow efficiency for ComfyUI users.

These changes apply to the MiniMax H3 model specifically. The update focuses on video processing speed without altering core functionality.