LangChain vs LlamaIndex
Side-by-side comparison · Updated August 2026
Detailed Comparison
Bolder value = winner in that category
LangChain
LlamaIndex
4.3
Rating
4.3
0 reviews
Reviews
0 reviews
Free
Pricing
Free
Free
Starting Price
Free
Yes
Free Tier
Yes
AI Agents
Category
AI Agents
Not listed
Affiliate Program
Not listed
FrameworkLLMRAGDevelopers
Tags
RAGFrameworkPythonData
LangChainKey Features
- Chains and agents
- RAG support
- Memory systems
- 100+ integrations
- LangSmith observability
LlamaIndexKey Features
- 160+ data connectors
- RAG pipelines
- Agent framework
- Structured extraction
- LlamaCloud