All Comparisons
AI Frameworks
LangChain vs LlamaIndex
Two frameworks for building LLM-powered applications — compared across RAG pipelines, agent support, and production readiness.
Feature
LangChain
LlamaIndex
RAG support
Agent framework
Data connectors
Structured output
Streaming support
TypeScript SDK
Python SDK
Multi-model support
Production monitoring
Low-code interface
Supported Partial Not supported
Verdict
LangChain is the stronger pick for complex agent workflows and tool integration. LlamaIndex is better suited to data-heavy RAG applications and document indexing.