nexus/wiki/entities/LlamaIndex.md

title, type, tags, sources, last_updated

title	type	tags	sources	last_updated
LlamaIndex	entity	llm framework rag	RAG从入门到精通系列1：基础RAG	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