EC2 inf1 instance prices

The inf1 series is a machine learning asic instances EC2 line running on Intel Xeon Platinum 8275CL (Cascade Lake). It has 4 sizes, from the inf1.xlarge with 4 vCPUs and 8 GiB to the inf1.24xlarge with 96 vCPUs and 192 GiB, and it is compute-heavy with a median of 2.0 GiB per vCPU.

In US East the Linux on-demand price runs from $0.2280/hour to $4.72/hour, or $166 to $3,446 a month. The median price per vCPU-hour across the series is $0.0492.

Price per vCPU-hour is not flat across the series: the inf1.2xlarge is the cheapest per vCPU at $0.0452 and the inf1.xlarge the dearest at $0.0570, a 26% gap, so the size you choose changes your unit cost as well as your total. All sizes are sold in the same 12 of the 12 regions we track. Each size below links to a page with prices in every tracked region, reserved-instance savings, Windows pricing and cheaper alternatives of the same shape.