head to head · open source
langchain vs web-ui
langchain has 148,892 GitHub stars, 25,031 forks, 492 open issues and last shipped yesterday. web-ui has 16,642 stars, 2,765 forks, 324 open issues and last shipped 1 months ago. langchain leads on adoption by 795% (148,892 vs 16,642 stars). langchain is written in Python under MIT; web-ui is written in Python under MIT. langchain has attracted 17% as many forks as stars, web-ui 17%. langchain was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| langchain | web-ui | |
|---|---|---|
| GitHub stars | ★ 149K | ★ 17K |
| License | MIT | MIT |
| Written in | Python | Python |
| Last push | 2026-11-02 | 2026-09-25 |
| Forks | ⑂ 25K | ⑂ 2.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick langchain if
- You weight community size — 149K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick web-ui if
- You want the web-ui feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and web-ui fits your workflow better
About langchain
The agent engineering platform. LangChain is a framework for building agents and LLM powered applications. It helps you chain together interoperable components and third party integrations to simplify AI application development — all while future proofing decisions as the underlying technology evolves. [!TIP] Just getting started? Check out Deep Agents — a higher level package built on LangChain for agents that have built in capabilities for common usage patterns such as planning, subagents, file system usage, and more. Quickstart If you're looking for more advanced customization or agent orchestration, check…
read the full langchain overview →
About web-ui
This project builds upon the foundation of the browser use, which is designed to make websites accessible for AI agents. We would like to officially thank WarmShao for his contribution to this project. WebUI: is built on Gradio and supports most of browser use functionalities. This UI is designed to be user friendly and enables easy interaction with the browser agent. Expanded LLM Support: We've integrated support for various Large Language Models (LLMs), including: Google, OpenAI, Azure OpenAI, Anthropic, DeepSeek, Ollama etc. And we plan to add support for even more models in the future. Custom Browser…
read the full web-ui overview →
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Frequently asked questions
Is langchain or web-ui more popular?
langchain has 148,892 GitHub stars and web-ui has 16,642. langchain has the larger community by that measure.
Are langchain and web-ui free?
Both are open source. langchain is licensed under MIT and web-ui under MIT. Neither carries a licence fee.
What is the difference between langchain and web-ui?
langchain is written in Python and web-ui in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, langchain or web-ui?
Choose langchain if you want the larger community (148,892 stars) or its MIT licence terms. Choose web-ui if its feature set, stack or MIT licence fits better. Both are self-hostable.