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Stable Assistant vs Leonardo AI: catalog facts
Stable Assistant	Leonardo AI
Paid Subscription service from Stability AI; check the site for current plans.	Freemium Free tier available, with paid plans for more usage and teams.
Web	Android, iOS, Web
Chat interface for generation and editing Inpainting, erase and search-and-replace tools	Image and video generation in one place Editing that keeps characters and style consistent
Requires an account and internet connection Limited to Stability AI's own models	Hosted service that needs an internet connection Larger volumes require a paid plan
Web application	Downloadable app, Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 23, 2026

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