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RAGFlow vs Open WebUI: catalog facts
RAGFlow	Open WebUI
Free Free and open source to self-host.	Freemium Free to self-host. The project sells an enterprise plan with support and branding rights.
Web, Self-hosted	Self-hosted, Web
Ingestion pipeline for many document and data formats Hybrid vector and full-text search with re-ranking	One interface for local Ollama models and any OpenAI-compatible API Document upload and retrieval so you can ask questions about your own files
Server setup is more involved than a desktop chat app Geared toward teams and organisations more than individuals	The licence adds a branding condition, so it is not plain BSD It is a server you have to run, update and secure yourself
Self-hosted	Self-hosted, Web application
Open source	Not stated if open source
License not stated	License: Open WebUI License, based on BSD-3-Clause with a branding clause
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 21, 2026

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