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Langflow vs PrivateGPT: catalog facts
Langflow	PrivateGPT
Free Free and open source under the MIT license.	Free Free to run yourself from the public repository.
Web, Self-hosted	Self-hosted
Visual canvas plus built-in API and MCP server output Supports a large library of LLMs, vector databases and tools	Document question answering (RAG) on local models Works with any OpenAI-compatible inference server
Requires separate access to whichever LLM providers or local models you connect Complex workflows can require developer-level setup	Aimed at developers; requires setting up a separate inference server Mainly an API layer rather than a finished desktop app
Self-hosted, Web application	Self-hosted
Open source	Closed source
License: MIT	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 22, 2026	Official website Full listing and sources Checked September 23, 2026

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