Amazon S3 Vectors cuts query costs for large vector indexes
Amazon S3 Vectors has reduced data processing charges for queries on vector indexes with over 10 million vectors by up to 80%. This change lowers costs for large-scale AI, RAG, and semantic search workloads by making queries more affordable. The new pricing applies automatically and is effective immediately in all AWS Regions. While costs are reduced, distributing vectors across multiple indexes is still recommended for optimal performance.
- →Reduced query costs for large S3 Vectors indexes
- →Recommendation for index distribution
Enhancements (1) ›
- Reduced query costs for large S3 Vectors indexes
Amazon S3 Vectors now processes data for queries on vector indexes with over 10 million vectors at up to 80% lower cost. This reduction targets large-scale AI, RAG, and semantic search workloads. The pricing change is effective immediately in all AWS Regions.
Notes (1) ›
- Recommendation for index distribution
While query costs for large indexes have decreased, distributing vectors across multiple indexes is still advised for improved query performance. More information is available on the S3 pricing page and product documentation.
https://aws.amazon.com/about-aws/whats-new/2026/06/s3-vectors-reduces-query-charges-80-percent-large-indexes/