LangChain
An open-source framework for building applications powered by large language models, providing components for prompt management, model integration, tool calling, agents, memory, retrieval, and workflow orchestration across multiple AI providers.
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Related terms
A framework for building stateful, multi-step AI agent workflows as graphs of nodes and edges.
Retrieval-Augmented GenerationRAGAn architectural pattern that enhances generative model responses by retrieving relevant information from external knowledge bases.
Function CallingA capability that enables an AI model to identify when an external function or tool should be invoked, generate the required structured arguments, and incorporate the returned results into its workflow or response.
Prompt TemplateA reusable prompt structure containing fixed instructions and variable placeholders for generating consistent inputs to an AI model.