LlamaIndex vs LangChain
A detailed comparison to help you choose the right AI tool
LlamaIndex
Data framework for LLM applicationsLangChain
Framework for building LLM applicationsCategory
Enterprise AI
Enterprise AI
Pricing
freemium
freemium
Key Features
- RAG framework
- Data connectors
- Index structures
- Query engines
- Open source
- Enterprise
- LLM framework
- Chains
- Agents
- Memory
- Integrations
- Open source
About LlamaIndex
LlamaIndex provides RAG infrastructure for connecting LLMs to enterprise data sources.
About LangChain
LangChain is a framework for building applications with large language models, chains, and agents.
Which Should You Choose?
Choose LlamaIndex if:
- You prefer a freemium model
- You need: RAG framework
- You value: Data connectors
Choose LangChain if:
- You prefer a freemium model
- You need: LLM framework
- You value: Chains