LangChain vs LlamaIndex

LangChain

7.3 #11 in AI agent platforms

About LangChain

LlamaIndex

5.1 #44 in AI agent platforms

About LlamaIndex
LangChainLlamaIndex
Free planYesNo
Free trialNoNo
Paid from$39/mo—
Open sourceNoNo
Platformsapi, self-hosted—
Free planYesYes
Paid from—50 /mo
Deployment model—both
Multi-agent support—Yes
Knowledge grounding—Yes
Human handoff—Yes

Both are listed in Best AI Agent Platforms, Best Retrieval-Augmented Generation Tools. On Inferse, LangChain scores higher on our published basis.