Amazon S3 Vectors can now return up to 10,000 similarity search results per query, a 100x increase from the previous limit, helping applications with multi-stage retrieval pipelines apply reranking, aggregations, or deduplication. Results are returned across multiple pages and the first 512 KB of data returned per query is free.
Amazon S3 Vectors now supports up to 10,000 similarity search results per query
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June 16, 2026
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amazon-emr