ComfyUI-ChatTTS
A ComfyUI integration for [a/ChatTTS](https://github.com/2noise/ChatTTS), enabling high-quality, controllable text-to-speech generation directly in your ComfyUI workflows.
How much VRAM does ComfyUI-ChatTTS require?
Direct Answer: The ComfyUI node ComfyUI-ChatTTS requires a minimum base VRAM of 256MB and is optimized for GPUs with at least 4GB of VRAM. Low VRAM mode is fully supported for resource-constrained setups.
- Base VRAM:
- 256MB (0.3GB)
- Recommended GPU:
- 4GB+ VRAM
- Low VRAM Mode:
- ✓ Supported
- Estimation Confidence:
- HIGH
Interactive VRAM Compatibility Estimator
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-ChatTTS?
Direct Answer: Running ComfyUI-ChatTTS requires installing the following Python package dependencies: av, ipython, nemo_text_processing; sys_platform == 'linux', numba, numpy<2.0.0, pybase16384, pydub, pynini==2.1.5; sys_platform == 'linux', torch>=2.1.0, torchaudio, tqdm, transformers>=4.41.1, vector_quantize_pytorch, vocos, wetextprocessing; sys_platform == 'linux'. This node specifically requires PyTorch version 2.1.0 or newer.
av
ipython
nemo_text_processing; sys_platform == 'linux'
numba
numpy<2.0.0
pybase16384
pydub
pynini==2.1.5; sys_platform == 'linux'
torch>=2.1.0
torchaudio
tqdm
transformers>=4.41.1
vector_quantize_pytorch
vocos
wetextprocessing; sys_platform == 'linux'Interactive Setup & Dependency Resolver
# Loading command...Special Environment Requirements:
Requires PyTorch version 2.1.0+.
# Loading PyTorch command...Frequently Asked Questions
How much VRAM does ComfyUI-ChatTTS require?
ComfyUI-ChatTTS requires a minimum of 256MB (0.3GB) 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-ChatTTS on an RTX 3060, RTX 4070, or RTX 4090?
✅ RTX 3060 (12GB): Yes, fully compatible with 10.6GB headroom. ✅ RTX 4070 (12GB): Yes, fully compatible with 10.6GB headroom. ✅ RTX 4070 Ti (16GB): Yes, fully compatible with 14.2GB headroom. ✅ RTX 4090 (24GB): Yes, fully compatible with 21.4GB headroom
What PyTorch version does ComfyUI-ChatTTS need?
ComfyUI-ChatTTS requires the following PyTorch-related packages: torch>=2.1.0, torchaudio, vector_quantize_pytorch. 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-ChatTTS?
To run ComfyUI-ChatTTS, you need to install: av, ipython, nemo_text_processing; sys_platform == 'linux', numba, numpy<2.0.0, pybase16384, pydub, pynini==2.1.5; sys_platform == 'linux', torch>=2.1.0, torchaudio, tqdm, transformers>=4.41.1, vector_quantize_pytorch, vocos, wetextprocessing; sys_platform == 'linux'. You can install these using pip or add them to your requirements.txt file.
How can I reduce VRAM usage when running ComfyUI-ChatTTS?
ComfyUI-ChatTTS 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-ChatTTS in ComfyUI?
To install ComfyUI-ChatTTS: (1) Navigate to your ComfyUI/custom_nodes directory, (2) Clone the repository: git clone https://github.com/neverbiasu/ComfyUI-ChatTTS, (3) Install dependencies: pip install -r requirements.txt (if present), (4) Restart ComfyUI. Alternatively, use ComfyUI Manager for one-click installation.