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FastGPT vs DocsGPT: catalog facts
FastGPT	DocsGPT
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 infrastructure Works with multiple models, including self-hosted LLMs
Licence terms are not stated in the research Some features live in separate pro components	Requires setting up and maintaining a server 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 October 1, 2026

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