Amazon S3 Vectors now supports up to 10,000 similarity search results per query
News
Amazon S3 Vectors now supports up to 10,000 similarity search results per query, a 100x increase from the previous limit.
- Retrieve larger, more comprehensive candidate sets for similarity queries
- Ideal for multi-stage retrieval pipelines requiring reranking, aggregations, or deduplication
- Results returned across multiple pages for efficient processing
- First 512 KB of data returned per query is free; additional data incurs small fees
- Available in all AWS Regions where S3 Vectors is supported
This enhancement enables applications to perform more sophisticated retrieval workflows with larger result sets before applying final filtering and ranking logic.
The AWS News Feed is currently looking for gold sponsors. If you want to support the AWS community and reach a large audience of AWS professionals, consider sponsoring the AWS News Feed.
Related articles
Jun 16
2026
2026
Amazon S3 Vectors reduces query charges by up to 80% for large vector indexes
Sep 30
2026
2026
Amazon S3 Vectors now supports metadata pre-filtering for higher recall on filtered searches
Sep 30
2026
2026
Amazon S3 Vectors introduces metadata pre-filtering for up to 5x higher recall on filtered search
Dec 2
2025
2025
Amazon S3 Vectors now generally available with increased scale and performance
The AWS News Feed is currently looking for silver sponsors. If you want to support the AWS community and reach a large audience of AWS professionals, consider sponsoring the AWS News Feed.