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Stable Diffusion web UI vs Krita AI Diffusion: catalog facts
Stable Diffusion web UI	Krita AI Diffusion
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free plugin downloaded from the public repository.
Windows, macOS, Linux	Windows, macOS, Linux
Includes inpainting, outpainting and configurable generation settings.	Works directly inside Krita layers and selections Inpaint and outpaint with an optional prompt
Requires Python, model files and suitable processing hardware.	Requires Krita and a model backend Local generation needs a capable GPU
Downloadable app	Downloadable app
Open source	Closed source
License: AGPL-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	Not stated if it works offline
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.