Compare software

Big-AGI vs T3 Chat: catalog facts
Big-AGI	T3 Chat
Freemium Open-source version is free; a Pro subscription costs $10.99 per month.	Freemium Plans are not shown on the homepage; check the site for current pricing.
Web, Self-hosted	Web
Works with many cloud providers and local model servers Beam compares and merges answers from several models	Many models from different providers in one app Thread search and file attachments
Cloud models require your own paid API keys Some features are part of the paid Pro tier	Web only Pricing details are not published on the homepage
Web application, Self-hosted	Web application
Open source	Closed source
License: MIT	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 26, 2026	Official website Full listing and sources Checked September 26, 2026

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