Amazon S3 Vectors metadata pre-filtering is now available in AWS GovCloud (US) Regions

From the source: Amazon Web Services Blog

Amazon S3 Vectors metadata pre-filtering is now available in the AWS GovCloud (US-East) and AWS GovCloud (US-West) Regions. Pre-filtering evaluates metadata filters before running similarity search, returning up to 5x more of the matching vectors when your filter is selective. S3 Vectors also adds a prefix match operator ($startsWith) for filtering on values like paths and URLs. Together, these…

Read the full story on Amazon Web Services Blog
Originally published by Amazon Web Services Blog on 10 Oct 2026. Techarda links to the original rather than republishing it. Read the full article →

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