For T2 and T3 instances in Unlimited mode, CPU Credits are charged at: $0.05 per vCPU-Hour for Linux, RHEL and SLES, and. $0.096 per vCPU-Hour for Windows and Windows with SQL Web. The CPU Credit pricing is the same for all instance sizes, for On-Demand, Spot, and Reserved Instances, and across all regions. See Unlimited Mode documentation for