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FastGPT vs Onyx Community Edition: catalog facts
FastGPT	Onyx Community Edition
Free Free to self-host; the repository also references separate pro components.	Freemium The Community Edition is free to self-host; hosted and enterprise plans are sold…
Web, Self-hosted	Web, Self-hosted
Knowledge-base Q&A with RAG retrieval Visual AI workflow editor	Connectors to more than 50 workplace applications Respects source document permissions
Licence terms are not stated in the research Some features live in separate pro components	Aimed at teams; setup and indexing take real infrastructure Some features are reserved for paid enterprise plans
Self-hosted	Self-hosted, Hosted service
Closed source	Open source
License not stated	License: MIT
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 2, 2026

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