blazing fast, only 1 minute 10 seconds generating 5 second clip in 0.4 mp resolution.
NEW using Ultimate upscale 1.0mp resolution or 768p got 3 minutes in my rtx 4060ti 16gb

if you like my work and want to support me, you can donate me to my ko-fi: https://ko-fi.com/megaaziib

use this model from huggingface: https://huggingface.co/MATLOWAI/minimax-h3-fused-turbo-int8-convrot/tree/main/diffusion_models

get minimax ultimate upscale: https://github.com/bbaudio-2025/Comfyui-MMH3-UltimateUpscale

for upscale model, you need to set the second resolution either 0.6, 0.7- 1.0. megapixel. if you get oom or generating too long, try to decrease resolution to 0.9 or 0.8 mp.

change manualsigmas according your preference steps:

4 steps:

0.9999166, 0.9728326, 0.9230769, 0.8, 0.0

6 steps:

0.9999166, 0.9868421, 0.9638554, 0.9230769, 0.8695652, 0.8, 0.0

8 steps:

1.0, 0.9882352941, 0.9729729730, 0.9523809524, 0.9230769231, 0.8780487805, 0.8, 0.6315789474, 0.0

must use sage attention and triton for faster generation, install this if you have issue installing sage attention and triton in comfy ui: https://github.com/DazzleML/comfyui-triton-and-sageattention-installer