ComfyUI
Most powerful and modular stable diffusion GUI with node-based workflow.
78.5kstars
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Advantages
- +Node-based workflow with extreme flexibility
- +Massive community ecosystem of custom nodes
- +Excellent memory management for lower VRAM setups
Limitations
- -Steep learning curve, beginners get lost easily
- -Non-traditional UI requires mindset shift
- -Frequent node updates can break workflow compatibility