Glossary · Pricing & Commitments
What is a Savings Plan?
A 1- or 3-year AWS commitment to a steady level of compute usage ($/hour) in exchange for a lower rate. Flexible across instance family, size, OS, region, and tenancy.
By HabileLabs
Savings Plan
A Savings Plan is a flexible pricing model in which you commit to a consistent amount of compute usage — measured in dollars per hour — for a 1- or 3-year term. In exchange, AWS gives you a discount of up to ~72% off on-demand pricing.
Unlike Reserved Instances, Savings Plans don't tie you to a specific instance family or region. The discount automatically applies to any eligible usage that fits the commitment, even if you migrate workloads across instances or services. Two compute variants exist (plus a separate SageMaker Savings Plan): Compute Savings Plans (most flexible) and EC2 Instance Savings Plans (highest discount, but locked to one instance family in one region).
Savings Plans are usually the single biggest cost lever on an AWS bill once your usage is steady. For a workload running 24/7, a 1-year Savings Plan typically saves 27–40% versus on-demand; a 3-year all-upfront plan can reach 60%+. The trap is over-committing — buy too much, and you pay for hours you don't use.
Refine's forecasting surfaces your steady-state usage so you can size the commitment conservatively, and the dashboard tracks commitment utilization so you notice gaps before they compound.
- !Buying based on peak usage instead of steady-state — you pay for the peak even at trough.
- !Stacking new Savings Plans without retiring expiring ones — easy double-coverage during overlap.
- !Ignoring the term length — 3-year locks you in even if your architecture changes.
Related
Reserved Instance (RI)
An older AWS commitment model — pre-pay for a specific instance type / region / tenancy / OS for 1 or 3 years in exchange for a discount of up to ~72%.
Compute Savings Plan
The most flexible AWS Savings Plan variant — applies to EC2, Fargate, and Lambda usage across any region, instance family, OS, and tenancy.
Spot Instance
A spare EC2 capacity instance priced at up to ~90% off on-demand, with the trade-off that AWS can reclaim it with 2 minutes' notice.
Forecasting & Budgets
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Refine is built and supported by HabileLabs, an AWS Advanced Tier Services Partner.