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