m4 family
The m4 family has 5 sizes on AWS OpenSearch, from 2 to 40 vCPUs and 8 to 160 GiB of memory. In US East (N. Virginia), on-demand prices run $0.151 to $3.017 per hour for the standard option. It is sold in 15 regions and listed as general purpose.
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|
| m4.large.search | 2 | 8 | $0.151 | $0.104 |
| m4.xlarge.search | 4 | 16 | $0.301 | $0.208 |
| m4.2xlarge.search | 8 | 32 | $0.603 | $0.416 |
| m4.4xlarge.search | 16 | 64 | $1.207 | $0.833 |
| m4.10xlarge.search | 40 | 160 | $3.017 | $2.082 |
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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.