Amazon Elastic Compute Cloud (Amazon EC2) offers various pricing options based on the type of instance, region, usage, and other factors. However, keep in mind that prices may have changed since then, so I recommend visiting the official Amazon EC2 pricing page for the most up-to-date information.

Amazon EC2 pricing typically includes the following components:

1. Instance Types: EC2 offers a wide range of instance types optimized for different use cases, such as general-purpose, compute-optimized, memory-optimized, and GPU instances. Each instance type comes with its own pricing structure.

2. Pricing Models: Amazon EC2 offers different pricing models:

   • On-Demand Instances: Pay as you go, with no long-term commitments. You are billed per hour or per second (depending on the instance type).
   • Reserved Instances (RIs): Provide a significant discount compared to On-Demand instances, but require a one- or three-year commitment. They are available in different payment options: All Upfront, Partial Upfront, or No Upfront.
   • Spot Instances: Allow you to bid for unused EC2 capacity, which can lead to substantial cost savings. However, the prices can vary based on demand and can be interrupted with a two-minute notice when the spot price exceeds your bid.
   • Dedicated Instances: Reserved for your use and are priced per hour.
   • Dedicated Hosts: Allow you to have full control over the physical EC2 server, providing visibility into the underlying socket and core counts. They are billed per hour or per second, depending on the host type.

3. Regions: EC2 pricing can vary between AWS regions. Prices might be slightly higher or lower depending on the location where you choose to deploy your EC2 instances.

4. Operating System and Software: Some AMIs (Amazon Machine Images) come with additional licensing fees for software products installed on them.

5. Data Transfer: Data transfer costs may apply when data is transferred between your EC2 instances and other AWS services or the internet.