Announcing LangSmith, a unified platform for debugging, testing, evaluating, and monitoring your LLM applications

LangChain exists to make it as easy as possible to develop LLM-powered applications.

We started with an open-source Python package when the main blocker for building LLM-powered applications was getting a simple prototype working. We remember seeing Nat Friedman tweet in late 2022 that there was “not enough tinkering

applications building debugging easy langchain llm monitoring nat package platform python simple testing tweet