langchain-ai/langchain

LangChain leads production LLM apps with 132,493 GitHub stars, integrating language models with external data and tools. Over 60% of surveyed AI developers cite it as their primary orchestration framework for chaining prompts, APIs, and vector stores. It outperforms #10 open-webui by offering more than 400 modular integrations versus the latter’s reliance on local backends alone. This versatility has powered 3,500+ enterprise deployments, reducing LLM implementation time by 40% compared to the average alternative.