Compare software

AIRI vs Character.AI: catalog facts
AIRI	Character.AI
Free Free open source project.	Freemium Free to start; check the site for current plan details.
macOS, Web	Web
Open source project Available as a desktop app and in the browser	Large catalogue of user-made characters Supports custom personas
Web version needs JavaScript and did not render without it Little setup detail on the homepage itself	Built for entertainment rather than factual answers Plan details were not confirmed
Downloadable app, Web application	Web application
Open source	Closed source
License not stated	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 October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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