c4.8xlarge.search is an AWS OpenSearch size with 36 vCPUs, 60 GiB memory. In US East (N. Virginia) it costs $2.347 per hour on demand ($1,713.31 per month); a 1-year reserved instance with no upfront costs $1.619 per hour, 31% less. It is sold in 16 regions.
Prices by region
USD per hour. Reserved prices are no upfront, standard. Cheapest on-demand first.