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May 8, 2026

LangChain vs LlamaIndex: 1M Document Query Speed Test

LangChain hit 47s query latency at 1M documents while LlamaIndex stayed under 100ms. Here's the architectural difference that causes this 500x gap.

Read the full article: LangChain vs LlamaIndex: 1M Document Query Speed Test


You're receiving this because you subscribed to TildAlice newsletter. | #LangChain, #LlamaIndex, #vector store, #RAG performance, #million documents

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