Overview
ComfyUI is a free, open-source application that lets creators visually compose and run generative-AI workflows through an intuitive node-graph. It runs entirely on your local machine for maximum speed, privacy and control, and ships with a high-performance execution engine that works across Windows, macOS and Linux.
Key Capabilities
- Visual node-graph editor for branching, reusable workflows
- Optimised local inference engine with VRAM estimation and smart scheduling
- Hot-reload plugin system for building custom nodes in Python/TypeScript
- Real-time preview & metadata-rich exports for one-click workflow reconstruction
- Native REST API & Python scripting for automation and integration
- Cross-model support (Stable Diffusion, SDXL, AnimateDiff, ControlNet, LCM, etc.)
- Large open-source community with hundreds of third-party nodes and templates
