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