r4 family
The r4 family has 6 sizes on AWS OpenSearch, from 2 to 64 vCPUs and 15.25 to 488 GiB of memory. In US East (N. Virginia), on-demand prices run $0.196 to $6.278 per hour for the standard option. It is sold in 17 regions and listed as memory optimized.
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|
| r4.large.search | 2 | 15.25 | $0.196 | $0.135 |
| r4.xlarge.search | 4 | 30.5 | $0.392 | $0.27 |
| r4.2xlarge.search | 8 | 61 | $0.785 | $0.542 |
| r4.4xlarge.search | 16 | 122 | $1.569 | $1.083 |
| r4.8xlarge.search | 32 | 244 | $3.139 | $2.166 |
| r4.16xlarge.search | 64 | 488 | $6.278 | $4.332 |
Compare r4
Categories
Regions
Asia Pacific (Tokyo)Asia Pacific (Seoul)Asia Pacific (Mumbai)Asia Pacific (Singapore)Asia Pacific (Sydney)Canada (Central)EU (Frankfurt)EU (Ireland)EU (London)EU (Paris)South America (Sao Paulo)US East (N. Virginia)US East (Ohio)AWS GovCloud (US-East)AWS GovCloud (US-West)US West (N. California)US West (Oregon)
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.