Amazon S3 Vectors now supports up to 10,000 similarity search results per query, a 100x increase from the previous limit, helping retrieve larger candidate sets for multi-stage retrieval pipelines applying reranking, aggregations, or deduplication. Results return across multiple pages with streaming and small fees beyond 512 KB.
Amazon S3 Vectors - 10,000 Similarity Search Results
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June 16, 2026
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amazon-elasticache