LangChain's products work seamlessly together to provide an integrated solution for every step of the application development journey. When you use all LangChain products, you'll build better, …

LangChain implements a standard interface for large language models and related technologies, such as embedding models and vector stores, and integrates with hundreds of providers.

5 days ago · LangChain is an open-source framework designed to simplify the creation of applications using large language models (LLMs). It provides a standard interface for chains, …

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 …

LangChain is an open source framework for building applications based on large language models (LLMs). LLMs are large deep-learning models pre-trained on large amounts of data …

While LangChain originally started as a single open source package, it has evolved into a company and a whole ecosystem. This page will talk about the LangChain ecosystem as a …

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

Jul 9, 2025 · The startup, which sources say is raising at a $1.1 billion valuation, helps developers at companies like Klarna and Rippling use off-the-shelf AI models to create new applications.

4 days ago · Explore how LangChain empowers AI development in 2025 with advanced tools for RAG, agents, and smart workflows. Build scalable, real-world LLM-powered apps.

LangChain Tools contain a description of the tool (to pass to the language model) as well as the implementation of the function to call. Refer here for a list of pre-built tools.