You dont pay for each instances total usage, just flat host cost of the whole host.
| Type | Description | On Demand Host/hr | On Demand Host/day | 1y host reserv pricing | 3y host reserv pricing | Instances (Smallest) | Instances (Largest) |
|---|---|---|---|---|---|---|---|
| a1 | arm | $0.449 | $10.78 | $2,312 | $4,435 | a1.medium[16] | a1.4xlarge[1] |
| c4 | cpu opt | $1.750 | $42.00 | $9,122 | $17,962 | c4.large[16] | c4.8xlarge[1] |
| m4 | general | $2.420 | $58.00 | $12,257 | $23,913 | m4.large[22] | m4.10xlarge[1] |
| r3 | memory | $2.922 | $70.13 | $13,601 | $26,965 | r3.large[16] | r3.8xlarge[1] |
| h1 | HDD disk | $4.118 | $98.88 | $22,885 | $45,504 | h1.2xlarge[8] | h1.16xlarge[1] |
| i2 | SDD disk | $7.502 | $180.05 | $27,428 | $48,863 | i2.xlarge[8] | i2.8xlarge[1] |
| i3 | NVME disk | $5.491 | $131.78 | $30,642 | $61,043 | i3.large[32] | i3.metal[1] |
| Type | Description | On Demand inst 1y | On Demand Host 1y | 1y inst reserv pricing | 1y host reserv pricing | 3y inst reserv pricing | 3y host reserv pricing |
|---|---|---|---|---|---|---|---|
| a1 | arm | $3,584 | $3,944 | $2,102 | $2,312 | $4,032 | $4,435 |
| c4 | cpu opt | $13,975 | $15,372 | $8,293 | $9,122 | $16,329 | $17,962 |
| m4 | general | $19,324 | $21,257 | $11,154 | $12,257 | $23,457 | $23,913 |
| r3 | memory | $23,365 | $25,702 | $12,364 | $13,601 | $24,521 | $26,965 |
| h1 | HDD disk | $32,887 | $36,172 | $20,004 | $22,885 | $41,368 | $45,504 |
| i2 | SDD disk | $59,906 | $65,897 | $24,931 | $27,428 | $44,418 | $48,863 |
| i3 | NVME disk | $43,849 | $48,233 | $27,856 | $30,642 | $55,493 | $61,043 |
| No control over low level hardware | 10% savings |
| HPC mad man with control over hardware | 10-100,000% savings (I've witnessed it many times.) |