How to compare cloud costs between Amazon, Microsoft and Google

The most expensive way to buy cloud virtual machines is to pay for them on demand

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Comparing prices among the major IaaS cloud vendors is not as easy as simply checking the cost of one virtual machine versus another. Myriad factors influence price: Size of the virtual machine, type of VM and contract length, to name a few.

So how are you supposed to know which vendor offers the best deal? The key is to understand the different offers from Amazon Web Services, Microsoft Azure and Google Cloud Platform and then determine which is best for your use case.

“Comparing cloud pricing is complicated,” begins a blog post from RightScale that analyzes cloud prices among the major vendors. “It can be difficult to make apples-to-apples comparisons because cloud providers offer different pricing models, unique discounting options, and frequent price cuts.”

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