I've ran hunyuanvideoai from their GitHub and it seems to generate realistic videos. It is a bit slow (30-60min per video clip) and requires ~50GB VRAM. I wonder how the quality compares though?
oh, and the output videos that are generated are 5sec clips at 554x960px. this is on a single A6000
oh, and the output videos that are generated are 5sec clips at 554x960px. this is on a single A6000