LangChain provides the engineering platform and open source frameworks developers use to build, test, and deploy reliable AI agents.

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 …

LangChain is a software framework that helps facilitate the integration of large language models (LLMs) into applications. As a language model integration framework, LangChain's use-cases largely overlap …

Dec 12, 2025 · LangChain is an open-source framework designed to simplify the creation of applications using large language models (LLMs). It provides a standard interface for integrating with other tools …

LangChain is an open source orchestration framework for application development using large language models (LLMs). Available in both Python- and Javascript-based libraries, LangChain’s tools and APIs …

Jul 6, 2025 · LangChain is a modular, open-source Python framework to simplify the building of advanced LLM applications. It provides standardized interfaces for models, embeddings, vector …

May 2, 2023 · What is Langchain? LangChain is a framework for developing applications powered by language models. Their framework enables you to build layered LLM-powered applications that are …

LangChain is the platform for agent engineering. AI teams at Replit, Clay, Rippling, Cloudflare, Workday, and more trust LangChain’s products to engineer reliable agents. Quickly get started building agents, …

The LangChain ecosystem has reached a pivotal milestone in 2025 with both LangChain 1.0 and LangGraph 1.0 achieving stable releases. After years of rapid iteration and community feedback, …

Learn the fundamental characteristics of Deep Agents and how to implement your own Deep Agent for complex, long-running tasks. Learn the essentials of LangSmith — the comprehensive platform for …