LangChain

Profile Overview

LangChain is an open-source orchestration framework and developer platform company founded in late 2022 by Harrison Chase and Ankush Gola. Headquartered in San Francisco, LangChain was launched to simplify the process of building applications powered by large language models, particularly chains of prompts, conversational memory, and autonomous agents. The framework provides modular abstractions for combining models, data loaders, vector databases, and external tools into cohesive pipelines. To address the complexities of moving AI applications from prototype to production, the company developed LangSmith, a comprehensive testing, debugging, and monitoring platform that allows developers to trace execution runs, analyze latency, and track token usage. LangChain also introduced LangGraph, a library for building stateful, multi-actor applications with cyclical graphs, which has become the industry standard for creating complex agentic workflows. LangChain's ecosystem is widely adopted by individual developers and fortune 500 companies alike. In February 2024, LangChain raised $20 million in a Series A funding round led by Sequoia Capital, bringing its total funding to $30 million at a valuation of $200 million. LangChain remains the dominant orchestration platform in the generative AI developer community.

Flagship Offerings

Vetted AI Models