ComfyUI-For-ChatterBox

ComfyUI custom nodes for Chatterbox TTS with multilingual support (23 languages)

How much VRAM does ComfyUI-For-ChatterBox require?

Direct Answer: The ComfyUI node ComfyUI-For-ChatterBox requires a minimum base VRAM of 128MB and is optimized for GPUs with at least 4GB of VRAM. Low VRAM mode is fully supported for resource-constrained setups.

High (2-4GB)
Base VRAM:
128MB (0.1GB)
Recommended GPU:
4GB+ VRAM
Low VRAM Mode:
✓ 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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What Python packages are required for ComfyUI-For-ChatterBox?

Direct Answer: Running ComfyUI-For-ChatterBox requires installing the following Python package dependencies: conformer==0.3.2, diffusers==0.29.0, gradio==5.44.1, librosa==0.11.0, numpy>=1.24.0,<2.0.0, omegaconf, pykakasi==2.3.0, pyloudnorm, resemble-perth==1.0.1, s3tokenizer, safetensors==0.5.3, spacy-pkuseg, torch==2.6.0, torchaudio==2.6.0, transformers==4.46.3. Ensure your ComfyUI environment has these packages active before launching.

requirements.txt
conformer==0.3.2
diffusers==0.29.0
gradio==5.44.1
librosa==0.11.0
numpy>=1.24.0,<2.0.0
omegaconf
pykakasi==2.3.0
pyloudnorm
resemble-perth==1.0.1
s3tokenizer
safetensors==0.5.3
spacy-pkuseg
torch==2.6.0
torchaudio==2.6.0
transformers==4.46.3

Interactive Setup & Dependency Resolver

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

Frequently Asked Questions

How much VRAM does ComfyUI-For-ChatterBox require?

ComfyUI-For-ChatterBox requires a minimum of 128MB (0.1GB) of VRAM for base operation. For optimal performance, a GPU with at least 4GB of VRAM is recommended. This node supports low VRAM mode for resource-constrained setups.

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

✅ RTX 3060 (12GB): Yes, fully compatible with 10.7GB headroom. ✅ RTX 4070 (12GB): Yes, fully compatible with 10.7GB headroom. ✅ RTX 4070 Ti (16GB): Yes, fully compatible with 14.3GB headroom. ✅ RTX 4090 (24GB): Yes, fully compatible with 21.5GB headroom

What PyTorch version does ComfyUI-For-ChatterBox need?

ComfyUI-For-ChatterBox requires the following PyTorch-related packages: torch==2.6.0, torchaudio==2.6.0. 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-For-ChatterBox?

To run ComfyUI-For-ChatterBox, you need to install: conformer==0.3.2, diffusers==0.29.0, gradio==5.44.1, librosa==0.11.0, numpy>=1.24.0,<2.0.0, omegaconf, pykakasi==2.3.0, pyloudnorm, resemble-perth==1.0.1, s3tokenizer, safetensors==0.5.3, spacy-pkuseg, torch==2.6.0, torchaudio==2.6.0, transformers==4.46.3. You can install these using pip or add them to your requirements.txt file.

How can I reduce VRAM usage when running ComfyUI-For-ChatterBox?

ComfyUI-For-ChatterBox supports low VRAM mode. To reduce memory usage: (1) Enable --lowvram or --medvram flags in ComfyUI, (2) Reduce batch size to 1, (3) Use fp16 or fp8 precision if supported, (4) Close other GPU applications.

How do I install ComfyUI-For-ChatterBox in ComfyUI?

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