MiniMax H3 + LTX 2.3 spatial upscale workflow shared
A Reddit user shares a ComfyUI workflow combining MiniMax H3 (20 steps, 736x736px) with LTX 2.3's x2 spatial upscaler, achieving ~3:25 per 5-sec clip for generation and ~2:05 for upscaling on a 4080S 16GB GPU.
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