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MiniMax H3 Model Copied LTX 2.5's Best Feature... And It's CRAZY Fast!

This story is from 2026-08-21. It is preserved in the archive; the latest stories are on the live feed.

Hey everyone! I’ve been testing a great custom node for ComfyUI recently that brings LTX 2.5-style latent upscaling over to the MiniMax H3 pipeline, and the speedup is huge. Instead of waiting 10 to 11 minutes for high-res video generations, this lets you run your initial pass at a lower scale (0.2…

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  1. 2026-08-21 14:55 · r/StableDiffusion
    MiniMax H3 Model Copied LTX 2.5's Best Feature... And It's CRAZY Fast!

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