ComfyUI
The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface.
Create content using a visual interface that connects different AI tools and processes without coding.
From the README
pip install comfy-cli comfy install
- Audio and video generation: MiniMax H3 and LTX-AV.
- Audio generation: ACE-Step 1.5, Stable Audio 3 and MiniMax Music 3
- 3D and vision: Hunyuan3D 2.1, TripoSplat, SeedVR2, SUPIR, Depth Anything 3, MoGe, SAM 3 and 3.1, RT-DETRv4, and BiRefNet.
- Text generation: Gemma 3 and 4, Qwen3, Qwen3.5, and Qwen3-VL, including multimodal inputs.
- Load complete checkpoints or separate diffusion models, VAEs, text encoders, LoRAs, ControlNets, adapters, and upscalers from supported model formats.
Excerpts from the project README on GitHub. Copyright and licensing remain with the respective authors.
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ComfyUI has 121k stars on GitHub. It has been forked 14.2k times. ComfyUI is written mainly in Python. It has been in active development since 2023. ComfyUI is available under the GPL-3.0 license. Its main topics are ai, comfy, comfyui, python.
What is ComfyUI?
The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface.
Is ComfyUI open source?
ComfyUI is an open-source project. It is released under the GPL-3.0 license.
Is ComfyUI free?
Yes. ComfyUI is free and open source — you can use, modify and self-host it. Its GPL-3.0 license is copyleft: if you distribute a modified version, it must remain under the same license.
What license does ComfyUI use?
ComfyUI is available under the GPL-3.0 license.
What language is ComfyUI written in?
ComfyUI is written mainly in Python.
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