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Amazon OpenSearch Service OR2 and OM2 now available in additional Regions

Published
November 21, 2025
https://aws.amazon.com/about-aws/whats-new/2025/11/amazon-opensearch-service-or2-om2-instances-available-regions

Amazon OpenSearch Service

Amazon OpenSearch Service has expanded the availability of OR2 and OM2, OpenSearch Optimized Instance family to 11 additional regions. These new instances offer improved indexing throughput and price-performance for indexing-heavy workloads.

New Features

  • OR2 Instance: Delivers up to 26% higher indexing throughput compared to previous OR1 instances and 70% over R7g instances.
  • OM2 Instance: Delivers up to 15% higher indexing throughput compared to OR1 instances and 66% over M7g instances in internal benchmarks.
  • Availability: OR2 instances are now available in 12 additional regions, and OM2 instances in 14 additional regions.

What to do

Source: AWS release notes




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