head to head · open source
langchain vs ruoyi-ai
langchain has 146,562 GitHub stars, 24,508 forks, 492 open issues and last shipped today. ruoyi-ai has 5,705 stars, 1,406 forks, 7 open issues and last shipped 7 days ago. langchain leads on adoption by 2,469% (146,562 vs 5,705 stars). langchain is written in Python under MIT; ruoyi-ai is written in Java under MIT. langchain has attracted 17% as many forks as stars, ruoyi-ai 25%. langchain was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai), so they are genuine substitutes rather than adjacent tools.
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 | ruoyi-ai | |
|---|---|---|
| GitHub stars | ★ 147K | ★ 5.7K |
| License | MIT | MIT |
| Written in | Python | Java |
| Last push | 2026-09-18 | 2026-09-11 |
| Forks | ⑂ 25K | ⑂ 1.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick langchain if
- You weight community size — 147K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick ruoyi-ai if
- You want the ruoyi-ai feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Java
- You evaluated both and ruoyi-ai fits your workflow better
About langchain
LangChain is an open source framework for building agents and LLM powered applications, written in Python and released under the MIT license. It lives in the AI and machine learning ecosystem, specifically among AI development platforms, and it works by chaining together interoperable components and third party integrations so that AI application development becomes simpler. The project describes itself as the agent engineering platform, and its abstractions are designed to keep applications working as the underlying technology evolves.
read the full langchain overview →
About ruoyi-ai
RuoYi AI is an MIT licensed, Java based enterprise AI development framework for building AI agents, aimed at developers and platform teams that need multi provider LLM management, private knowledge bases, visual workflow orchestration and multi agent coordination in a single self hostable stack.
read the full ruoyi-ai overview →
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Frequently asked questions
Is langchain or ruoyi-ai more popular?
langchain has 146,562 GitHub stars and ruoyi-ai has 5,705. langchain has the larger community by that measure.
Are langchain and ruoyi-ai free?
Both are open source. langchain is licensed under MIT and ruoyi-ai under MIT. Neither carries a licence fee.
What is the difference between langchain and ruoyi-ai?
langchain is written in Python and ruoyi-ai in Java. 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 ruoyi-ai?
Choose langchain if you want the larger community (146,562 stars) or its MIT licence terms. Choose ruoyi-ai if its feature set, stack or MIT licence fits better. Both are self-hostable.