AWS has the services to help you build sophisticated applications with increased flexibility, scalability, and reliability. Whether you're looking for compute power, database storage, content delivery, or other functionality, with AWS you pay only for the individual services you need, for as long as you use them, without complex licensing. AWS offers you a variety of pricing models for over 160 cloud services. You only pay for the services you consume, and once you stop using them, there are no additional costs or termination fees. This whitepaper provides an overview of how AWS pricing works across some of the most widely used services. The latest pricing information for each AWS service is available at: AWS Pricing.

https://docs.aws.amazon.com/whitepapers/latest/how-aws-pricing-works/abstract-and-introduction.html