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

UPDATE!!!:
i ditch sage attention and use Comfy kitchen + sol attention instead, but i'm still use kjnodes. here is the link to install custom nodes:
kjnodes: https://github.com/kijai/ComfyUI-KJNodes
Comfy Kitchen: https://github.com/Comfy-Org/comfy-kitchen
Sol attention Triton: https://github.com/kijai/ComfyUI-SolAttn_triton

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


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

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