LangChain provides an open-source framework for developers to build and deploy applications powered by large language models, streamlining the integration of LLMs with external data and computation.
Framework for LLM apps.
LangChain simplifies the development lifecycle of LLM-based applications by offering modular components and pre-built chains for common use cases. It allows developers to connect LLMs to various data sources like databases and APIs, implement agents that can make decisions and take actions, and orchestrate complex workflows involving multiple LLM calls and tools. Its core strength lies in abstracting away much of the complexity of LLM interaction, enabling faster prototyping and robust application construction.
Software developers, data scientists, and ML engineers building applications that leverage large language models for tasks like chatbots, data analysis, and content generation.
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100K+
2022
San Francisco, California
Open Source
Access to the core LangChain framework, libraries, and community support.
Free
LangChain Cloud
Managed services and tooling for production deployment, monitoring, and observability (LangSmith).
Custom
Popular alternative with overlapping features and a strong user base.
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