
LangChain: Observe, Evaluate, and Deploy Reliable AI Agents
LangChain provides the engineering platform and open source frameworks developers use to build, test, and deploy reliable AI agents.
GitHub - langchain-ai/langchain: The agent engineering platform
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 …
Introduction to LangChain - GeeksforGeeks
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 - Wikipedia
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 …
LangChain 101: What It Is, Why It Matters, and How to Start
Nov 3, 2025 · LangChain is an open-source framework that helps developers connect LLMs to the real world. It gives these models memory, access to data, and the ability to use tools — turning them …
LangChain Python Tutorial: 2026’s Complete Guide - The JetBrains Blog
Feb 19, 2026 · Learn how to build AI agents with LangChain in 2026 – from chatbots and document Q&A to tools, guardrails, testing, and debugging in PyCharm.
Home - Docs by LangChain
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.
What is LangChain? - IBM
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 …
LangChain: Open Source AI Agent Framework | Build Agents Faster
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.
How to Use LangChain to Build With LLMs – A Beginner's Guide
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 …