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Kotaemon vs FastGPT: catalog facts
Kotaemon	FastGPT
Free Free and open source.	Free Free to self-host; the repository also references separate pro components.
Web, Self-hosted	Web, Self-hosted
Chat with your own documents through a web interface Works with local or hosted language models	Knowledge-base Q&A with RAG retrieval Visual AI workflow editor
Needs a server or local setup rather than a simple installer Answer quality depends on the model you connect	Licence terms are not stated in the research Some features live in separate pro components
Self-hosted	Self-hosted
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	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 26, 2026

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