Depending on frame count can fit under 20GB, VAE decoding is heavy and there is experimental tiled decoder (taken from CogVideoX -diffusers code) which allows higher frame counts, so far highest I’ve done is 97 with the default tile size 2×2 grid.
Models:
https://huggingface.co/Kijai/Mochi_preview_comfy/tree/main
model to: ComfyUI/models/diffusion_models/mochi
vae to: ComfyUI/models/vae/mochi
There is autodownload node (also will be normal loader node)
