Amazon EC2 provides the following purchasing options to enable you to optimize your costs based on your needs: On-Demand Instances - Pay, by the second, for the instances that you launch. Savings Plans - Reduce your Amazon EC2 costs by making a commitment to a consistent amount of usage, in USD per hour, for a term of 1 or 3 years. Reserved Instances - Reduce your Amazon EC2 costs by making a commitment to a consistent instance configuration, including instance type and Region, for a term of 1 or 3 years. Scheduled Instances - Purchase instances that are always available on the specified recurring schedule, for a one-year term. Spot Instances - Request unused EC2 instances, which can reduce your Amazon EC2 costs significantly. Dedicated Hosts - Pay for a physical host that is fully dedicated to running your instances, and bring your existing per-socket, per-core, or per-VM software licenses to reduce costs. Dedicated Instances - Pay, by the hour, for instances that run on single-tenant hardware. Capacity Reservations - Reserve capacity for your EC2 instances in a specific Availability Zone for any duration.