Question 1

Is Langflow better than Open WebUI?

Accepted Answer

It depends on your use case. Langflow is known for Visual framework for building multi-agent AI apps, while Open WebUI Beautiful self-hosted ChatGPT-like interface for any LLM. See our full comparison above for a detailed breakdown.

Question 2

Is Langflow free?

Accepted Answer

Langflow pricing: Free (open-source) + Cloud.

Question 3

Is Open WebUI free?

Accepted Answer

Open WebUI pricing: Free (open-source).

Question 4

What are the main differences between Langflow and Open WebUI?

Accepted Answer

Langflow and Open WebUI differ in features, pricing, and platform support. Langflow: Visual framework for building multi-agent AI apps. Open WebUI: Beautiful self-hosted ChatGPT-like interface for any LLM. See the full side-by-side comparison above for details.

Feature	Langflow	Open WebUI
Category	Automation Platforms	Chat Interfaces
Pricing	Free (open-source) + Cloud	Free (open-source)
GitHub Stars	35k	✓ More stars 65k
Platforms	Linux, macOS, Windows, Docker, Web	macOS, Linux, Windows, Docker
Key Features	✓ Visual builder ✓ Drag-and-drop ✓ Component library ✓ API export ✓ Multi-model	✓ Ollama integration ✓ Multi-model ✓ RAG ✓ Web search ✓ Voice input/output ✓ Plugins ✓ User management
Pros	+ Intuitive visual builder + LangChain ecosystem integration + Easy prototyping + Export as Python code + Growing component library	+ Feature-rich ChatGPT alternative + Supports Ollama + OpenAI APIs + Document upload and RAG + Multi-user with auth + Very active development
Cons	− Tied to LangChain ecosystem − Limited for very custom logic − Can be slow for complex flows − Still maturing	− Requires Docker for easy setup − Can be slow with large documents − Plugin ecosystem still growing − Resource intensive
Tags	no-codevisuallangchainopen-source	open-sourcechatuiollamaself-hosted

LangflowvsOpen WebUI

Langflow

Open WebUI

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