Commitments: RI & Savings Plans

Right-size your commitments. Lift your effective savings rate.

Over-buy and you pay for idle commitment; under-buy and you pay on-demand rates for steady workloads. Sentasity sizes Reserved Instances and Savings Plans to your real hourly usage, and shows the math.

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app.sentasity.com/commitments
Commitments coverage and utilization: $4,200 committed, $2,320 net savings, coverage percentage by service
Net savings, computed
Coverage by service
What's still on-demand

The highest-dollar lever, taken seriously.

Commitments move more money than any single waste fix, which is exactly why the recommendation should show its work instead of asking for trust.

Coverage & utilization, without the spreadsheet

See what share of your compute spend is covered by commitments and how hard the commitments you already own are working: by service, by account, down to the resource level.

  • Coverage and utilization by service and account
  • Effective savings-rate calculation across the whole bill
  • Resource-level coverage detail
Utilization breakdown: used vs unused commitment dollars by category with net savings and utilization percentages

Recommendations with the math shown

The engine evaluates RI and Savings Plan scenarios against your real hourly usage (volatility included) and nets any coverage you already own out of the recommendation before sizing it.

  • Scenario evaluation across terms and payment options
  • Hourly volatility analysis: sized to your floor, not your average
  • Existing-coverage analysis so recommendations never double-buy
  • Blended discount computed per variant
Cloud Compute Savings Plan recommendation: $47,132/yr estimated savings with the discount math, hourly commitment, and confidence band

Live commitment data, not stale exports

Your existing RIs and Savings Plans are enriched directly from AWS APIs, so coverage math reflects what you actually own today, including expirations coming due.

  • Existing commitments enriched live from AWS
  • Expiration visibility before coverage quietly lapses

Honest scope: recommendations cover Compute and EC2 Instance Savings Plans plus EC2, RDS, and ElastiCache Reserved Instances. We say what's covered rather than implying everything is.

Active commitments: reserved instances and a savings plan with utilization, cost, net savings, and status flags

Commitments work best on a clean bill.

Spend visibilityEvery dollar mapped: cost explorer, forecasting, S3 and usage-type breakdowns.Waste scanning & remediation30+ classes of AWS waste, found and fixed with guided remediation.

Size your commitments to real usage.

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20% median AWS waste identified* · Median waste identified across accounts scanned to date. Your result depends on your environment; the scan is free either way.