c5 family

The c5 family has 6 sizes on AWS OpenSearch, from 2 to 72 vCPUs and 4 to 144 GiB of memory. In US East (N. Virginia), on-demand prices run $0.125 to $4.514 per hour for the standard option. It is sold in 31 regions and listed as compute optimized.

Sizes and prices in US East (N. Virginia)

TypevCPUsMemory (GiB)On-demand /hr1-yr reserved /hr
c5.large.search24$0.125$0.086
c5.xlarge.search48$0.251$0.173
c5.2xlarge.search816$0.502$0.346
c5.4xlarge.search1632$1.003$0.692
c5.9xlarge.search3672$2.257$1.557
c5.18xlarge.search72144$4.514$3.115

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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.