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ComfyUI vs SwarmUI: catalog facts
ComfyUI	SwarmUI
Free The open-source software is available without a license fee. Hosting, hardware and…	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, macOS, Linux	Windows
Connects models and processing steps in reusable graphs.	Supports several model families and extensible processing backends.
Local models need suitable hardware and separate model downloads.	Backend setup and model requirements vary by workflow.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.