FL CosyVoice3

Advanced text-to-speech nodes for ComfyUI powered by the CosyVoice3 model family. Features zero-shot voice cloning, cross-lingual synthesis, and voice conversion.

Features

• Zero-Shot Voice Cloning - Clone any voice from 3-30 seconds of reference audio
• Cross-Lingual Synthesis - Speak different languages while preserving voice characteristics
• Voice Conversion - Transform one voice to sound like another
• 9 Languages - Chinese, English, Japanese, Korean, German, Spanish, French, Italian, Russian
• Auto Transcription - Built-in Whisper integration for reference audio
• Speed Control - Adjustable speech rate (0.5x - 2.0x)

Nodes

| Node | Description | |------|-------------| | Model Loader | Downloads and caches CosyVoice models | | Zero-Shot Clone | Clone voices from reference audio | | Cross-Lingual | Generate speech in different languages | | Voice Conversion | Convert source audio to target voice | | Dialog | Multi-speaker dialog synthesis with up to 4 voices | | Audio Crop | Trim audio to specific time ranges |

Installation

ComfyUI Manager

Search for "FL CosyVoice3" and install.

Manual

cd ComfyUI/custom_nodes
git clone https://github.com/filliptm/ComfyUI_FL-CosyVoice3.git
cd ComfyUI_FL-CosyVoice3
pip install -r requirements.txt

Quick Start

1. Add FL CosyVoice3 Model Loader and select Fun-CosyVoice3-0.5B
2. Connect to Zero-Shot Clone or Cross-Lingual node
3. Provide reference audio (3-30 seconds recommended)
4. Enter your text and generate

Models

| Model | Size | Notes | |-------|------|-------| | Fun-CosyVoice3-0.5B | ~2GB | Recommended | | CosyVoice2-0.5B | ~2GB | Alternative | | CosyVoice-300M | ~1.2GB | Lightweight |

Models download automatically on first use to ComfyUI/models/cosyvoice/.

Requirements

• Python 3.10+
• 8GB RAM minimum (16GB+ recommended)
• NVIDIA GPU with 8GB+ VRAM recommended (CPU and Mac MPS supported)

License

Apache 2.0