ComfyUI-LightVAE

By ModelTCView on GitHub →

ComfyUI-LightVAE is a collection of LightX2V VAE custom nodes designed for ComfyUI, supporting high-performance video VAE models including LightVAE and LightTAE.

How much VRAM does ComfyUI-LightVAE require?

Direct Answer: The ComfyUI node ComfyUI-LightVAE 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

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!

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Deploy on Cloud GPUs

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What Python packages are required for ComfyUI-LightVAE?

Direct Answer: Running ComfyUI-LightVAE requires installing the following Python package dependencies: einops>=0.6.0, imageio, loguru>=0.6.0, numpy>=1.20.0, torch>=2.0.0. This node specifically requires PyTorch version 2.0.0 or newer.

requirements.txt
einops>=0.6.0
imageio
loguru>=0.6.0
numpy>=1.20.0
torch>=2.0.0

Interactive Setup & Dependency Resolver

Operating System:
Environment Type:
Run this terminal command in your ComfyUI root folder:
# Loading command...

Special Environment Requirements:

Requires PyTorch version 2.0.0+.

To update PyTorch for your selected setup, run:
# Loading PyTorch command...

Related Custom Nodes

The following custom nodes run in the same PyTorch / CUDA environment and share similar categories or workflows:

ComfyUI-QwenFrameSelector
by eddyhhlure1Eddy4.0GB VRAM
SAMURAI Nodes for ComfyUI
by takemetosiberia4.0GB VRAM
Seedance 2.0 BytePlus
by nnnnkatsu4.0GB VRAM
ComfyUI-Light-N-Color
by KAVVATARE128MB VRAM
Bit Depth Enhancer
by subraoul128MB VRAM

Frequently Asked Questions

How much VRAM does ComfyUI-LightVAE require?

ComfyUI-LightVAE requires a minimum of 4096MB (4.0GB) of VRAM for base operation. For optimal performance, a GPU with at least 8GB of VRAM is recommended. Low VRAM mode is not supported for this node.

Can I run ComfyUI-LightVAE on an RTX 3060, RTX 4070, or RTX 4090?

✅ RTX 3060 (12GB): Yes, fully compatible with 6.8GB headroom. ✅ RTX 4070 (12GB): Yes, fully compatible with 6.8GB headroom. ✅ RTX 4070 Ti (16GB): Yes, fully compatible with 10.4GB headroom. ✅ RTX 4090 (24GB): Yes, fully compatible with 17.6GB headroom

What PyTorch version does ComfyUI-LightVAE need?

ComfyUI-LightVAE requires the following PyTorch-related packages: torch>=2.0.0. Ensure your ComfyUI environment has these installed. Ensure your PyTorch installation matches your CUDA version (use torch.version.cuda to check).

What Python packages are required for ComfyUI-LightVAE?

To run ComfyUI-LightVAE, you need to install: einops>=0.6.0, imageio, loguru>=0.6.0, numpy>=1.20.0, torch>=2.0.0. You can install these using pip or add them to your requirements.txt file.

How do I install ComfyUI-LightVAE in ComfyUI?

To install ComfyUI-LightVAE: (1) Navigate to your ComfyUI/custom_nodes directory, (2) Clone the repository: git clone https://github.com/ModelTC/ComfyUI-LightVAE, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.