These tools often paired with
LangChainvsLlamaIndex
The leading LLM app framework versus Data framework for RAG and LLM pipelines
Compare interactively in Explore →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
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
Side-by-side comparison
Field
LangChain
LlamaIndex
Category
Pipelines & RAG
Pipelines & RAG
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
—
—
GitHub Stars
⭐ 93,000
⭐ 37,000
Health
●100 — Active
●100 — Active
LangChain
Most widely used framework for building LLM applications. Chains, agents, RAG pipelines, and deep integrations with 300+ tools.
Shared Connections14 tools both integrate with
Only LangChain (19)
OpenHandsCrewAIAutoGenSemantic KernelLangSmithLlamaIndexDSPyFlowiseLangflown8n
Only LlamaIndex (5)
CursorLangChainOllamavLLMLightRAG
Explore the full AI landscape
See how LangChain and LlamaIndex fit into the bigger picture — 235 tools, 543 relationships, all mapped.