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RAGFlow

★ 88k

Leading open-source RAG engine — build your own AI that answers from your documents. Trending on GitHub Aug 2026.

RAGFlow does the job of ChatGPT Team and Glean, self-hosted. Setting it up is an afternoon, not a weekend. ChatGPT Team bills $25+ for it. 88k stars on GitHub.

Open-source replacement for ChatGPT Team, Glean.

Self-hosting
Medium
The paid one costs
$25+
GitHub stars
88k
view the code →official site →

Is it actually a replacement?

We have written a verdict on what it replaces — what you lose, and why people still pay:

RAGFlow questions

Can RAGFlow replace ChatGPT Team?

Our verdict on ChatGPT is YES. Dify (110k stars), RAGFlow (88k stars), Lobe Chat (65k stars) are mature open-source replacements for ChatGPT — self-host with docker and stop paying $20/mo.

Can I self-host RAGFlow?

Yes — we rate it medium to self-host.

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