--- title: "LlamaIndex" type: entity tags: [llm, framework, rag] sources: ["RAG从入门到精通系列1:基础RAG"] last_updated: 2026-04-16 --- ## Basic Information - **Type**: LLM Application Framework - **Source**: RAG从入门到精通系列1:基础RAG ## Definition LlamaIndex is a framework for building LLM applications with data connectors, mentioned alongside LangChain as a way to simplify the complex RAG pipeline construction. ## Relationship with LangChain - Both LangChain and LlamaIndex are frameworks for building LLM applications - Both can be used to construct RAG pipelines - Both provide abstractions for document loading, splitting, embedding, and retrieval ## Related Concepts - [[RAG]]:LlamaIndex is used for building RAG pipelines - [[LangChain]]:Alternative/companion framework