c7g family
The c7g family has 7 sizes on AWS OpenSearch, from 2 to 64 vCPUs and 4 to 128 GiB of memory. In US East (N. Virginia), on-demand prices run $0.12 to $3.851 per hour for the standard option. It is sold in 34 regions and listed as Arm (Graviton) and compute optimized.
Sizes and prices in US East (N. Virginia)
| Type | vCPUs | Memory (GiB) | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|
| c7g.large.search | 2 | 4 | $0.12 | $0.083 |
| c7g.xlarge.search | 4 | 8 | $0.241 | $0.166 |
| c7g.2xlarge.search | 8 | 16 | $0.481 | $0.332 |
| c7g.4xlarge.search | 16 | 32 | $0.963 | $0.664 |
| c7g.8xlarge.search | 32 | 64 | $1.926 | $1.329 |
| c7g.12xlarge.search | 48 | 96 | $2.888 | $1.993 |
| c7g.16xlarge.search | 64 | 128 | $3.851 | $2.657 |
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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.