head to head · open source
langchain vs oh-my-pi
langchain has 148,892 GitHub stars, 25,031 forks, 492 open issues and last shipped yesterday. oh-my-pi has 37,543 stars, 4,224 forks, 2,964 open issues and last shipped yesterday. langchain leads on adoption by 297% (148,892 vs 37,543 stars). langchain is written in Python under MIT; oh-my-pi is written in TypeScript under MIT. langchain has attracted 17% as many forks as stars, oh-my-pi 11%. langchain was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (anthropic), 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.
← all 20902 open source comparisons
Side by side
| langchain | oh-my-pi | |
|---|---|---|
| GitHub stars | ★ 149K | ★ 38K |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 25K | ⑂ 4.2K |
| 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 oh-my-pi if
- You want the oh-my-pi feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and oh-my-pi 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 oh-my-pi
A coding agent with the IDE wired in. omp.sh Fork of Pi by @mariozechner The most capable agent surface that ships. Continuously tuned by real world use — complete out of the box, open all the way down. 60+ providers · 31 built in tools · 14 lsp ops · 28 dap ops · 80k lines of Rust core. [!NOTE] Pull requests are temporarily open to everyone as a trial. We previously required a vouch before accepting PRs; that requirement is lifted for now while we evaluate how open contributions go. Depending on the results, the vouch system may return. Install macOS · Linux Alpine / musl: the prebuilt musl binary links…
read the full oh-my-pi overview →
More in AI & Machine Learning
Related comparisons
More AI Development Platforms projects
Compare either of these against the rest of the AI Development Platforms field.
Frequently asked questions
Is langchain or oh-my-pi more popular?
langchain has 148,892 GitHub stars and oh-my-pi has 37,543. langchain has the larger community by that measure.
Are langchain and oh-my-pi free?
Both are open source. langchain is licensed under MIT and oh-my-pi under MIT. Neither carries a licence fee.
What is the difference between langchain and oh-my-pi?
langchain is written in Python and oh-my-pi in TypeScript. 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 oh-my-pi?
Choose langchain if you want the larger community (148,892 stars) or its MIT licence terms. Choose oh-my-pi if its feature set, stack or MIT licence fits better. Both are self-hostable.