Amazon still undisputed king of public cloud, but Microsoft is creeping closer

Even if the big 3 all switch places, it's still an oligopoly, which means that prices are higher than they could be.

That's why my company, Usage.AI, has built a tool to automatically buy and sell Reserved Instances on AWS to cut costs. We're not on GCP or Azure yet, but businesses using us cut up to 57% on EC2 costs.