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FastGPT vs MaxKB: catalog facts
FastGPT	MaxKB
Free Free to self-host; the repository also references separate pro components.	Free Free and open source to self-host.
Web, Self-hosted	Web, Self-hosted
Knowledge-base Q&A with RAG retrieval Visual AI workflow editor	Self-hosted, so documents stay on your own server Combines RAG knowledge bases with agent building
Licence terms are not stated in the research Some features live in separate pro components	Needs a server and a language model to run Aimed at organisations, more than individuals
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 26, 2026

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