Running MiniMax H3 locally: 0.2MP preview looks good, 1MP render takes 8 hours and drifts

ok_n_na · reddit · 2026-11-09

A user running MiniMax H3 locally via ComfyUI's reference-to-video template reports that testing at 0.2 megapixels gives good 14-second results (i9 14th gen, 64GB RAM, RTX 3060 12GB), but raising to 1 megapixel produces inconsistent outputs and takes 8 hours per render. They're asking for a workflow that keeps low-res and high-res results consistent. The same prompt on Pika also "hallucinates" a different result.

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