ComfyUI-FastVideo

Name: ComfyUI-FastVideo
Author: swfxliyiyu

A custom node suite for ComfyUI that provides accelerated video generation using [a/FastVideo](https://github.com/hao-ai-labs/FastVideo). See the blog post about FastVideo V1 to learn more.

VRAM Requirements

Direct Answer: The ComfyUI node ComfyUI-FastVideo requires a minimum base VRAM of 4096MB and is optimized for GPUs with at least 8GB of VRAM. Low VRAM mode is not supported for this node.

Very High (4-8GB)

Base VRAM:: 4096MB (4.0GB)
Recommended GPU:: 8GB+ VRAM
Low VRAM Mode:: ✗ Not supported
Estimation Confidence:: MEDIUM

🧮 Interactive VRAM Compatibility Estimator

1. Your GPU VRAM:

2. Base Model Weight:

3. Target Resolution:

4. ComfyUI Optimization launch argument:

Estimated Total VRAM: 3.00 GBTarget: 8 GB

✅ Comfortable Fit

Your GPU has plenty of headroom. You can run this node safely with your active configurations!

Deploy on High-Performance GPUs

Need more VRAM to run ComfyUI with this node? Rent low-cost, high-performance GPUs on Vast.ai instantly.

🚀 Deploy on Vast.ai

Deploy on Cloud GPUs

Need more VRAM to run ComfyUI with this node? Rent low-cost, high-performance cloud GPUs on RunPod instantly.

🚀 Deploy on RunPod

Python Dependencies

Direct Answer: Running ComfyUI-FastVideo requires installing the following Python package dependencies: fastvideo, torch==2.8.0. Ensure your ComfyUI environment has these packages active before launching.

requirements.txt

fastvideo
torch==2.8.0

🛠️ Interactive Setup & Dependency Resolver

Operating System:

Environment Type:

Run this terminal command in your ComfyUI root folder:

# Loading command...