Python AI SDK for building typed agents that run across models, web frontends, CLI, voice, and durable background workflows.
20.8K3KPythonMITUpdated 14 hours ago
2 alternatives
Best open-source alternatives to LangChain (2026)
Looking for a free, open-source alternative to LangChain? These 2 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| pydantic/pydantic-ai | ★ 20.8K | MIT | 14 hours ago |
| cloudwego/eino | ★ 13.4K | Apache-2.0 | yesterday |
A Go framework for building LLM applications and AI agents, with composable components, graph orchestration, and human-in-the-loop interrupts.
13.4K1.1KGoApache-2.0Updated yesterday
FAQ
- Is there a free, open-source alternative to LangChain?
- Yes. The most popular open-source alternatives to LangChain on Repolode are pydantic-ai, eino.
- Which LangChain alternative should I choose?
- pydantic-ai has the most GitHub stars and is released under MIT. Compare the license and last commit of each option in the table above before choosing.