nunchaku-ai/ComfyUI-nunchaku
A ComfyUI plugin for Nunchaku, an efficient 4-bit quantized inference engine for diffusion and image generation models.

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This repository provides the ComfyUI integration for Nunchaku, an efficient inference engine designed for 4-bit neural networks quantized using SVDQuant. It enables running quantized diffusion and flux models through ComfyUI’s node-based interface. The quantization technique reduces model size and memory footprint while maintaining generation quality, targeting deployment efficiency for image synthesis workflows.
Frequently asked
- What is nunchaku-ai/ComfyUI-nunchaku?
- A ComfyUI plugin for Nunchaku, an efficient 4-bit quantized inference engine for diffusion and image generation models.
- Is ComfyUI-nunchaku open source?
- Yes — nunchaku-ai/ComfyUI-nunchaku is open source, released under the Apache-2.0 license.
- What language is ComfyUI-nunchaku written in?
- nunchaku-ai/ComfyUI-nunchaku is primarily written in Python.
- How popular is ComfyUI-nunchaku?
- nunchaku-ai/ComfyUI-nunchaku has 2.9k stars on GitHub.
- Where can I find ComfyUI-nunchaku?
- nunchaku-ai/ComfyUI-nunchaku is on GitHub at https://github.com/nunchaku-ai/ComfyUI-nunchaku.