A practitioner's break-even math for AWS Savings Plans vs Reserved Instances in 2026. Real numbers, decision framework, and where each commitment actually pays off.
Quick take
Savings Plans win on flexibility. Reserved Instances still win on raw discount for narrow, well-predicted workloads. The break-even is not a number, it is a question about your roadmap.
If you only have two minutes:
3-year No-Upfront Compute SP is the safe default for compute-heavy accounts in 2026.
Standard EC2 RIs beat SPs by 1 to 4 percentage points on commitment discount, but lock you into instance family.
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