ComfyUI
FreeA node-based interface for building and running Stable Diffusion workflows. [#opensource](https://github.com/comfyanonymous/ComfyUI)
FreeFree tier
Inputs: text, image, video, audioOutputs: image, video, audio
About ComfyUI
ComfyUI is the most powerful and modular AI engine for content creation, featuring a node graph interface that empowers visual professionals to generate images, videos, 3D models, audio, and more. It natively supports the latest open-source state-of-the-art models including SD3, Flux, Hunyuan Video, and many others. ComfyUI is available locally on Windows, Linux, and macOS via desktop application or portable install, and also offers a paid cloud version (Comfy Cloud). It provides API endpoints for production pipelines and App Mode for simplified workflow exposure.
Key Features
Nodes/graph/flowchart interface allowing complex Stable Diffusion workflows without coding
Supports a wide range of image models: SD1.x, SD2.x, SDXL, SD3, SD3.5, Flux, Pixart Alpha, AuraFlow, HunyuanDiT, Lumina, HiDream, Qwen Image, and more
Supports video models: Stable Video Diffusion, Mochi, LTX-Video, Hunyuan Video, Wan 2.1, Wan 2.2
Supports image editing models: Omnigen 2, Flux Kontext, HiDream E1.1, Qwen Image Edit
Available on Windows, Linux, macOS with native desktop application and portable install
API nodes for integrating closed-source models like Nano Banana, Seedance, Hunyuan3D
App Mode to expose complex workflows through a simple UI
Seamless integration into production pipelines via API endpoints
Free and open source with a paid cloud option
Pros & Cons
Pros
- Extremely flexible node-based interface for unlimited workflow customization
- Supports the latest open-source SOTA models across multiple modalities
- Cross-platform: runs on Windows, Linux, and macOS with native apps
- Free and open source with no usage limits on local version
- Offers API endpoints for production and integration
- Active community and regular updates on GitHub
Cons
- Requires some learning curve for users new to node-based workflows
- Local version may demand powerful GPU hardware for optimal performance
- Cloud version is paid, which may not suit all budgets
- Documentation and tutorials may be scattered across community sources
Best For
Creating AI-generated images, videos, 3D models, and audio for professional contentExperimenting with and composing complex Stable Diffusion workflowsIntegrating AI generation into production pipelines via APIProviding a simple user interface for sophisticated workflows using App ModeRunning state-of-the-art open-source models locally on various hardware
FAQ
What is ComfyUI?
ComfyUI is the most powerful and modular AI engine for content creation, using a node graph interface to generate images, videos, 3D models, audio, and more. It supports many open-source and closed-source models and is free and open source.
How do I install ComfyUI?
ComfyUI can be installed via a desktop application for Windows and macOS, a portable Windows package, or manual install that supports all operating systems (Windows, Linux, macOS) and GPU types (NVIDIA, AMD, Intel, Apple Silicon, Ascend).
Is ComfyUI free?
Yes, ComfyUI is free and open source. There is also an optional paid cloud version called Comfy Cloud for those who cannot run it locally.
What models does ComfyUI support?
ComfyUI supports a wide range of models including image models (SD1.x, SD2.x, SDXL, SD3, SD3.5, Flux, Pixart Alpha, AuraFlow, HunyuanDiT, Lumina, HiDream, Qwen Image, etc.), video models (Stable Video Diffusion, Mochi, LTX-Video, Hunyuan Video, Wan 2.1, Wan 2.2), image editing models, and more via API nodes for closed-source models.
Can I use ComfyUI in production?
Yes, ComfyUI provides API endpoints for seamless integration into production pipelines and App Mode to expose complex workflows through a simple UI.