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Selecting a vector store for Amazon Bedrock Knowledge Bases

This story is from 2026-09-17. It is preserved in the archive; the latest stories are on the live feed.

Choosing the right vector store for your Amazon Bedrock Knowledge Bases RAG application affects performance and cost. This post compares Amazon OpenSearch Service, Amazon Aurora PostgreSQL with pgvector, and Amazon S3 Vectors across three RAG use cases, with benchmarks and a practical selection fra…

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  1. 2026-09-17 15:53 · AWS Machine Learning Blog
    Selecting a vector store for Amazon Bedrock Knowledge Bases

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