ComfyUI_LongCat_Avatar

By smthemexView on GitHub →

LongCat_Avatar,an upgraded open-source framework for audio-driven human video generation.

How much VRAM does ComfyUI_LongCat_Avatar require?

Direct Answer: The ComfyUI node ComfyUI_LongCat_Avatar 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!

Deploy on High-Performance GPUs

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🚀 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.

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What Python packages are required for ComfyUI_LongCat_Avatar?

Direct Answer: Running ComfyUI_LongCat_Avatar requires installing the following Python package dependencies: audio-separator, cffi, chardet, diffusers, flash-attn, imageio, imageio-ffmpeg, librosa, numpy, nvidia-ml-py, onnx, onnxruntime, openai, pyloudnorm, scikit-image, scikit-learn, scipy, soundfile, soxr, sympy, torch, transformers, tzdata. Ensure your ComfyUI environment has these packages active before launching.

requirements.txt
audio-separator
cffi
chardet
diffusers
flash-attn
imageio
imageio-ffmpeg
librosa
numpy
nvidia-ml-py
onnx
onnxruntime
openai
pyloudnorm
scikit-image
scikit-learn
scipy
soundfile
soxr
sympy
torch
transformers
tzdata

Interactive Setup & Dependency Resolver

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

Related Custom Nodes

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

ComfyUI_DICE_Talk
by smthemex4.0GB VRAM
ComfyUI_FoleyCrafter
by smthemex4.0GB VRAM
ComfyUI_Sonic
by smthemex1.5GB VRAM
ATI_AudioReactive
by yukascomfy1.5GB VRAM
Akatz Custom Nodes
by akatz-ai128MB VRAM

Frequently Asked Questions

How much VRAM does ComfyUI_LongCat_Avatar require?

ComfyUI_LongCat_Avatar 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_LongCat_Avatar 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_LongCat_Avatar need?

ComfyUI_LongCat_Avatar requires the following PyTorch-related packages: torch. 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_LongCat_Avatar?

To run ComfyUI_LongCat_Avatar, you need to install: audio-separator, cffi, chardet, diffusers, flash-attn, imageio, imageio-ffmpeg, librosa, numpy, nvidia-ml-py, onnx, onnxruntime, openai, pyloudnorm, scikit-image, scikit-learn, scipy, soundfile, soxr, sympy, torch, transformers, tzdata. You can install these using pip or add them to your requirements.txt file.

How do I install ComfyUI_LongCat_Avatar in ComfyUI?

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