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EC2 Instance Purchasing Options

Understand the various AWS EC2 purchasing options such as On-Demand Instances, Reserved Instances, Savings Plans, Spot Instances, Dedicated Hosts, and Capacity Reservations. Learn how to select the best option based on application needs and cost efficiency, including strategies for balancing flexibility and long-term commitments.

AWS EC2 provides multiple EC2 purchasing options that can be used for different use cases. It’s important that we choose the right EC2 option for our use case to avoid overpaying. Let’s look at these options from AWS with examples.

On-Demand Instances

On-Demand Instances can be provisioned and terminated by us as needed, and we simply pay by the second for the instances we launch. This option is good for use cases where we don’t know the required number of EC2 instances for our applications in advance. We can use On-Demand Instances to scale our instances anytime.

Savings Plans

Savings Plans are a flexible pricing model offered by AWS with lower prices compared to on-demand in exchange for a commitment of a set usage per hour for a one–three ...