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Vector Database Selection: Pinecone vs Weaviate vs Qdrant

This story is from 2026-09-18. It is preserved in the archive; the latest stories are on the live feed.

A Microsoft customer story documented what rigorous vector database selection can deliver: after switching to Pinecone, Aquant reached 98% retrieval accuracy while cutting response time from 24 seconds to 13.7 seconds. Results like that rarely come from prompt tuning; they come from getting the ret…

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  1. 2026-09-18 05:28 · DEV Community — AI
    Vector Database Selection: Pinecone vs Weaviate vs Qdrant

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