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ComfyUI vs Midjourney: catalog facts
ComfyUI	Midjourney
Free The open-source software is available without a license fee. Hosting, hardware and…	Paid Paid subscription service; see the website for current plans.
Windows, macOS, Linux	Web
Connects models and processing steps in reusable graphs.	Generates images from plain-language prompts Usable through the website or Discord
Local models need suitable hardware and separate model downloads.	Runs only as a hosted service, not locally Closed model and proprietary service
Downloadable app	Web application, Hosted service
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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