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 …

3 days ago · LangChain is the easiest way to start building agents and applications powered by LLMs. With under 10 lines of code, you can connect to OpenAI, Anthropic, Google, and more.

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 …

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, …

Apr 11, 2024 · LangChain is a popular framework for creating LLM-powered apps. It was built with these and other factors in mind, and provides a wide range of integrations with closed-source model …

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, …

3 days ago · LangChain has published a detailed framework for building multi-agent AI systems, arriving as the AI infrastructure space heats up with competing approaches from Google and Microsoft in …

11 hours ago · LangChain: You order, you receive, you're done. LangGraph: You explore, taste, decide what you need more of, go back, reassess, and finish when you're satisfied. One is a straight line. …

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 …

Deep Agents is an agent harness built on langchain and langgraph. Deep Agents are equipped with a planning tool, a filesystem backend, and the ability to spawn subagents - making them well-equipped …

3 days ago · What Is LangChain? LangChain is an open-source framework designed to simplify the development of applications powered by Large Language Models.

LangChain is an open source framework with a pre-built agent architecture and integrations for any model or tool — so you can build agents that adapt as fast as the ecosystem evolves.

Tutorials, conceptual guides, and resources to help you get started. In the Learn section of the documentation, you’ll find a collection of tutorials, conceptual overviews, and additional resources to …

Build resilient language agents as graphs. Contribute to langchain-ai/langgraph development by creating an account on GitHub.

LangChain is an open source framework with a pre-built agent architecture and integrations for any model or tool — so you can build agents that adapt as fast as the ecosystem evolves. LangChain is …

Agents combine language models with tools to create systems that can reason about tasks, decide which tools to use, and iteratively work towards solutions. create_agent provides a production-ready …

LangChain provides the agent engineering platform and open source frameworks developers need to ship reliable agents fast. We’re on a mission to make agents as reliable as databases and APIs. To …

In this post, we’ll explore when multi-agent architectures become necessary, the four main patterns we’ve observed, and how LangChain empowers you to effectively build multi-agent systems.

LangChain provides integrations to hundreds of LLMs and thousands of other integrations. These live in independent provider packages.

Document loaders provide a standard interface for reading data from different sources (such as Slack, Notion, or Google Drive) into LangChain’s Document format. This ensures that data can be handled …

Identify and implement the best prompting strategies u2028and architectures so that your LLMs perform as intended. LangChain offers an extensive library of off-the-shelf tools u2028and an intuitive …