r5 family

The r5 family has 5 sizes on AWS OpenSearch, from 2 to 48 vCPUs and 16 to 384 GiB of memory. In US East (N. Virginia), on-demand prices run $0.186 to $4.46 per hour for the standard option. It is sold in 31 regions and listed as memory optimized.

Sizes and prices in US East (N. Virginia)

TypevCPUsMemory (GiB)On-demand /hr1-yr reserved /hr
r5.large.search216$0.186$0.128
r5.xlarge.search432$0.372$0.257
r5.2xlarge.search864$0.743$0.513
r5.4xlarge.search16128$1.487$1.026
r5.12xlarge.search48384$4.46$3.077

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Prices in USD per hour for the standard option; reserved prices are 1 year, no upfront. Updated 2026-11-12 from AWS public price lists. Compare all AWS OpenSearch sizes.