Memory optimized AWS OpenSearch sizes
AWS OpenSearch has 68 memory optimized sizes in US East (N. Virginia), across 10 families. The cheapest is r7g.medium.search at $0.089 per hour on demand (1 vCPUs, 8 GiB).
Prices in US East (N. Virginia), cheapest first
| Type | Family | vCPUs | Memory (GiB) | On-demand /hr | 1-yr reserved /hr |
|---|---|---|---|---|---|
| r7g.medium.search | r7g | 1 | 8 | $0.089 | $0.061 |
| r8g.medium.search | r8g | 1 | 8 | $0.098 | $0.068 |
| r7gd.medium.search | r7gd | 1 | 8 | $0.113 | $0.078 |
| r8gd.medium.search | r8gd | 1 | 8 | $0.122 | $0.084 |
| r6g.large.search | r6g | 2 | 16 | $0.167 | $0.115 |
| r7g.large.search | r7g | 2 | 16 | $0.178 | $0.123 |
| r5.large.search | r5 | 2 | 16 | $0.186 | $0.128 |
| r6gd.large.search | r6gd | 2 | 16 | $0.191 | $0.132 |
| r4.large.search | r4 | 2 | 15.25 | $0.196 | $0.135 |
| r8g.large.search | r8g | 2 | 16 | $0.196 | $0.135 |
| r7i.large.search | r7i | 2 | 16 | $0.212 | $0.146 |
| r7gd.large.search | r7gd | 2 | 16 | $0.226 | $0.156 |
| r8gd.large.search | r8gd | 2 | 16 | $0.244 | $0.168 |
| r3.large.search | r3 | 2 | 15 | $0.245 | – |
| r6g.xlarge.search | r6g | 4 | 32 | $0.335 | $0.231 |
| r7g.xlarge.search | r7g | 4 | 32 | $0.356 | $0.246 |
| r5.xlarge.search | r5 | 4 | 32 | $0.372 | $0.257 |
| r6gd.xlarge.search | r6gd | 4 | 32 | $0.382 | $0.264 |
| r4.xlarge.search | r4 | 4 | 30.5 | $0.392 | $0.27 |
| r8g.xlarge.search | r8g | 4 | 32 | $0.392 | $0.27 |
| r7i.xlarge.search | r7i | 4 | 32 | $0.423 | $0.292 |
| r7gd.xlarge.search | r7gd | 4 | 32 | $0.452 | $0.312 |
| r8gd.xlarge.search | r8gd | 4 | 32 | $0.488 | $0.337 |
| r3.xlarge.search | r3 | 4 | 30.5 | $0.49 | – |
| r6g.2xlarge.search | r6g | 8 | 64 | $0.669 | $0.462 |
| r7g.2xlarge.search | r7g | 8 | 64 | $0.711 | $0.491 |
| r5.2xlarge.search | r5 | 8 | 64 | $0.743 | $0.513 |
| r6gd.2xlarge.search | r6gd | 8 | 64 | $0.765 | $0.528 |
| r8g.2xlarge.search | r8g | 8 | 64 | $0.783 | $0.54 |
| r4.2xlarge.search | r4 | 8 | 61 | $0.785 | $0.542 |
| r7i.2xlarge.search | r7i | 8 | 64 | $0.847 | $0.584 |
| r7gd.2xlarge.search | r7gd | 8 | 64 | $0.904 | $0.624 |
| r8gd.2xlarge.search | r8gd | 8 | 64 | $0.976 | $0.673 |
| r3.2xlarge.search | r3 | 8 | 61 | $0.98 | – |
| r6g.4xlarge.search | r6g | 16 | 128 | $1.339 | $0.924 |
| r7g.4xlarge.search | r7g | 16 | 128 | $1.422 | $0.981 |
| r5.4xlarge.search | r5 | 16 | 128 | $1.487 | $1.026 |
| r6gd.4xlarge.search | r6gd | 16 | 128 | $1.53 | $1.056 |
| r8g.4xlarge.search | r8g | 16 | 128 | $1.565 | $1.08 |
| r4.4xlarge.search | r4 | 16 | 122 | $1.569 | $1.083 |
| r7i.4xlarge.search | r7i | 16 | 128 | $1.693 | $1.168 |
| r7gd.4xlarge.search | r7gd | 16 | 128 | $1.807 | $1.247 |
| r8gd.4xlarge.search | r8gd | 16 | 128 | $1.952 | $1.347 |
| r3.4xlarge.search | r3 | 16 | 122 | $1.96 | – |
| r6g.8xlarge.search | r6g | 32 | 256 | $2.677 | $1.847 |
| r7g.8xlarge.search | r7g | 32 | 256 | $2.845 | $1.963 |
| r6gd.8xlarge.search | r6gd | 32 | 256 | $3.06 | $2.111 |
| r8g.8xlarge.search | r8g | 32 | 256 | $3.13 | $2.16 |
| r4.8xlarge.search | r4 | 32 | 244 | $3.139 | $2.166 |
| r7i.8xlarge.search | r7i | 32 | 256 | $3.387 | $2.337 |
| r7gd.8xlarge.search | r7gd | 32 | 256 | $3.614 | $2.494 |
| r8gd.8xlarge.search | r8gd | 32 | 256 | $3.904 | $2.694 |
| r3.8xlarge.search | r3 | 32 | 244 | $3.92 | – |
| r6g.12xlarge.search | r6g | 48 | 384 | $4.016 | $2.771 |
| r7g.12xlarge.search | r7g | 48 | 384 | $4.267 | $2.944 |
| r5.12xlarge.search | r5 | 48 | 384 | $4.46 | $3.077 |
| r6gd.12xlarge.search | r6gd | 48 | 384 | $4.59 | $3.167 |
| r8g.12xlarge.search | r8g | 48 | 384 | $4.694 | $3.239 |
| r7i.12xlarge.search | r7i | 48 | 384 | $5.08 | $3.505 |
| r7gd.12xlarge.search | r7gd | 48 | 384 | $5.421 | $3.74 |
| r7g.16xlarge.search | r7g | 64 | 512 | $5.689 | $3.925 |
| r8gd.12xlarge.search | r8gd | 48 | 384 | $5.855 | $4.04 |
| r6gd.16xlarge.search | r6gd | 64 | 512 | $6.119 | $4.222 |
| r8g.16xlarge.search | r8g | 64 | 512 | $6.259 | $4.319 |
| r4.16xlarge.search | r4 | 64 | 488 | $6.278 | $4.332 |
| r7i.16xlarge.search | r7i | 64 | 512 | $6.774 | $4.674 |
| r7gd.16xlarge.search | r7gd | 64 | 512 | $7.229 | $4.988 |
| r8gd.16xlarge.search | r8gd | 64 | 512 | $7.807 | $5.387 |
Families
Other categories
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.