Amazon S3 Vectors reduces query charges by up to 80% for large vector indexes

Amazon S3 Vectors has reduced data processed charges for queries on vector indexes with over 10 million vectors by up to 80%. This reduction lowers costs for customers running similarity search across large-scale AI, RAG, and semantic search workloads. The new pricing applies automatically with no application changes required. While this change reduces costs for large indexes, we continue to recommend distributing vectors across multiple indexes for improved query performance.

S3 Vectors query pricing reductions are effective today in all AWS Regions where S3 Vectors is available. For updated pricing information, visit the S3 pricing page. To learn more about S3 Vectors, visit the product page and S3 User Guide.