Archera Guaranteed Reserved Instances (GRIs) offer better savings rates and less commitment risk to equivalent 1 year Reserved Instances and Savings Plans.

Since each instance type can have a different savings percentage from AWS, the following table is a guide towards the difference. The example is based off an m5.large running in US-East-1 at the start of 2022.

Savings Vehicle

Approx. Savings Rate

Commitment RIsk

Archera GRI - 30 day term


30 days

Archera GRI - 1 year term


1 year

Savings Plan - 1 year


1 year

Reserved Instance - 1 year


1 year

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