langchain vs lmnr
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| langchain | lmnr | |
|---|---|---|
| Tagline | The agent engineering platform. | Open-source observability platform for AI agents |
| Stars | 141k | 3.1k |
| Forks | 23k | 216 |
| Open issues | 405 | 91 |
| Language | Python | TypeScript |
| License | MIT | Apache-2.0 |
| Last pushed | Jul 7, 2026 | Jul 7, 2026 |
| Categories | AI Agents | AI Agents, Evaluation & Observability |
langchain
LangChain is an open-source framework for building agents and LLM-powered applications. It aids in chaining interoperable components and third-party integrations to simplify AI application development.
Python
lmnr
Laminar provides observability tools for AI agent monitoring, evaluation, and debugging. It includes tracing, signals monitoring, evaluations SDK/UI, an MCP/CLI interface, dashboard builder, and data annotation UI.
TypeScript