What delivers applications over the cloud using a pay-per-use revenue model?

Question

BlackTom AI · Accepted Answer

The question asks which model delivers applications over the cloud and uses a pay-per-use revenue model.
Option 1: Software as a Service (SaaS). SaaS provides user-ready applications delivered over the internet, typically accessed via subscriptions or usage-based pricing, fitting the description of delivering applications over the cloud with a payment model tied to usage. This makes SaaS a correct fit for the prompt.
Option 2: Infrastructure as a Service (IaaS). IaaS provides virtualized computing resources (like virtual machines, storage, and networks). It does not deliver applications directly; instead, it provides the underlying infrastructure on which you can run applications. The emphasis here is on raw resources, not pay-per-use for applications themselves, so this is not the best match for the prompt.
Option 3: Platform as a Service (PaaS). PaaS offers a platform for developing, running, and managing applications, including runtime environments and tooling. While it involves a pay model, the description emphasizes a platform rather than the direct delivery of applications themselves to end users, so it’s not the best fit for the question’s focus on delivering applications over the cloud using pay-per-use for end users.
In summary, SaaS best matches the notion of delivering applications over the cloud with a pay-per-use style revenue model, whereas IaaS and PaaS focus more on infrastructure and platforms rather than directly delivering finished applications to end users.

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