evaluation tools

LangChain is an open-source framework designed to help developers build, evaluate, and deploy AI agents efficiently. It provides tools like LangSmith for observability, tracing, and evaluation, allowing teams to debug agent execution, monitor performance, and improve quality through real-world data. The framework supports multiple languages, including TypeScript and Python, and integrates with various model providers. LangChain is ideal for developers looking to create intelligent agents that can handle complex tasks, from customer support to enterprise GPT applications. It also includes features like Agent Builder for no-code agent creation and Deep Agents for advanced capabilities such as planning and memory. With a focus on scalability and flexibility, LangChain empowers teams to build and ship reliable AI agents that can operate in production environments.