i4g family
The i4g family has 6 sizes on AWS OpenSearch, from 2 to 64 vCPUs and 16 to 512 GiB of memory. In US East (N. Virginia), on-demand prices run $0.247 to $7.907 per hour for the standard option. It is sold in 8 regions and listed as Arm (Graviton) and storage optimized.
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|
| i4g.large.search | 2 | 16 | $0.247 | $0.17 |
| i4g.xlarge.search | 4 | 32 | $0.494 | $0.341 |
| i4g.2xlarge.search | 8 | 64 | $0.988 | $0.682 |
| i4g.4xlarge.search | 16 | 128 | $1.977 | $1.364 |
| i4g.8xlarge.search | 32 | 256 | $3.954 | $2.728 |
| i4g.16xlarge.search | 64 | 512 | $7.907 | $5.456 |
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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.