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ComfyUI vs Imaginer: catalog facts
ComfyUI	Imaginer
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source; hosted providers such as OpenAI may charge for their APIs.
Windows, macOS, Linux	Linux
Connects models and processing steps in reusable graphs.	Supports OpenAI, Hugging Face, local and custom back-ends Native GNOME interface
Local models need suitable hardware and separate model downloads.	Linux only Hosted back-ends need an account or API key with the provider
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
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 October 1, 2026

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