On AWS you only pay for full hours if you're using RHEL or Suse. Any other Linux distro or Windows pay by seconds: https://docs.aws.amazon.com/AWSEC2/latest/Us

On AWS you only pay for full hours if you're using RHEL or Suse. Any other Linux distro or Windows pay by seconds: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-interruptions.html#billing-for-interrupted-spot-instances https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-int... On GCP seems like you pay per seconds, but if you use a Premium OS and GCP stops your instance, you would pay for the premium OS pricing anyway: https://cloud.google.com/compute/docs/instances/spot#spot-with-premium-os https://cloud.google.com/compute/docs/instances/spot#spot-wi...