head to head · open source
langchain vs ANUS
langchain has 147,321 GitHub stars, 24,670 forks, 492 open issues and last shipped yesterday. ANUS has 6,550 stars, 924 forks, 73 open issues and last shipped 2 days ago. langchain leads on adoption by 2,149% (147,321 vs 6,550 stars). langchain is written in Python under MIT; ANUS is written in JavaScript under MIT. langchain has attracted 17% as many forks as stars, ANUS 14%. 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 | ANUS | |
|---|---|---|
| GitHub stars | ★ 147K | ★ 6.5K |
| License | MIT | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-09-30 | 2026-09-29 |
| Forks | ⑂ 25K | ⑂ 924 |
| 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 ANUS if
- You want the ANUS feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and ANUS 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 ANUS
ANUS is a free, MIT licensed coding agent that runs in your terminal, reads your code, edits files and executes commands, and is aimed at developers who want that kind of agentic assistance without paying for model access.
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Frequently asked questions
Is langchain or ANUS more popular?
langchain has 147,321 GitHub stars and ANUS has 6,550. langchain has the larger community by that measure.
Are langchain and ANUS free?
Both are open source. langchain is licensed under MIT and ANUS under MIT. Neither carries a licence fee.
What is the difference between langchain and ANUS?
langchain is written in Python and ANUS in JavaScript. 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 ANUS?
Choose langchain if you want the larger community (147,321 stars) or its MIT licence terms. Choose ANUS if its feature set, stack or MIT licence fits better. Both are self-hostable.