ComfyUI workflow pairs MiniMax H3 with LTX 2.3 spatial upscaler
Each 5-second clip renders in ~3:25 at 20 steps (736×736) with MiniMax H3, then the LTX 2.3 x2 spatial upscaler adds ~2:05 — run on a 16GB RTX 4080 Super in ComfyUI.
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