s3-vectors

Checked 10 October 2026: managed Bedrock knowledge base storage is $5 per GB of raw data a month. One thousand GB is $5,000 before retrieval. An e-commerce workspace of terabytes of Drive files and millions of Gmail messages reached hundreds of dollars a day after ingestion started.

On June 16, 2026, S3 Vectors raised the QueryVectors limit to 10,000 results per query and cut data-processed charges up to 80% on indexes over 10M vectors. Architecture, pagination, and cost comparison vs OpenSearch and MemoryDB.