These tools often paired with
LlamaIndexvsLangChain
Data framework for RAG and LLM pipelines versus The leading LLM app framework
Compare interactively in Explore →Choose LlamaIndex when…
- •You're building RAG or knowledge base apps
- •Structured data querying over documents is your focus
- •You need powerful index and retrieval primitives
Choose LangChain when…
- •You want a broad, flexible LLM orchestration toolkit
- •You need integrations with many tools and data sources
- •You're prototyping or exploring LLM app patterns
Side-by-side comparison
Field
LlamaIndex
LangChain
Category
Pipelines & RAG
Pipelines & RAG
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
—
—
GitHub Stars
⭐ 37,000
⭐ 93,000
LlamaIndex
Framework specialized in data ingestion, indexing, and retrieval for LLM applications. The go-to for complex RAG pipelines.
Shared Connections12 tools both integrate with
Only LlamaIndex (4)
CursorLangChainOllamavLLM
Only LangChain (12)
OpenHandsCrewAIAutoGenSemantic KernelLangSmithLlamaIndexDSPyFlowiseLangflown8n
Explore the full AI landscape
See how LlamaIndex and LangChain fit into the bigger picture — 123 tools, 304 relationships, all mapped.