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SaaS management

Usage-Based and AI Pricing: Keeping Consumption Costs Predictable

How usage-based and AI pricing changes SaaS cost control: forecasting consumption, setting budgets and alerts, and negotiating guardrails into contracts.

By the MI Solutions SAM team9 min read2 exhibits

More software is priced by consumption: API calls, storage, compute, messages, and increasingly AI credits or tokens. Usage-based pricing can be fairer than per-seat pricing, because you pay for what you use. It is also harder to predict. In Zylo's 2025 index, 66.5% of IT leaders reported unexpected SaaS charges due to consumption-based or AI pricing.

The new risk

Exhibit 1
Consumption costs can drift far from the planMonthly consumption cost vs budget for a usage-priced service, $K (illustrative)$0K$10K$20K$30K$40K$50KJanFebMarAprMayJunJulAugSepActual $41KBudget $20KIllustrative. Without alerts, a gradual increase can double monthly cost before anyone notices.

Per-seat vs consumption: different risks

01Per-seat pricing

The risk is paying for people who do not use the product: shelfware.

02Consumption pricing

The risk is paying for more use than you planned: surprise bills.

03Hybrid pricing

A per-seat base plus metered extras, such as AI credits or storage: both risks at once.

How to keep it predictable

  1. Understand the meter

    What exactly is counted, and how is it priced at each tier?

  2. Forecast from data

    Use actual consumption history and planned projects, not the sales estimate.

  3. Set budgets and alerts

    In the vendor's console, at 50%, 80% and 100% of the monthly budget.

  4. Use limits

    Where available, especially for AI features.

  5. Allocate costs

    To the teams that drive them, so they see the impact. See showback and chargeback.

What to negotiate

Exhibit 2
Contract guardrails for consumption pricingHow each term protects you, illustrativePredictabilityUnit costFlexibilityCommitted-use discountMedHighLowCap or notice beforeoverageHighLowMedFixed overage rateMedMedLowRollover of unused unitsLowMedHighRight to adjust commitmentLowLowHighIllustrative. Combine a commitment for the predictable baseline with caps and fixed rates for anything aboveit.

Consumption contract terms

How MI One helps

Frequently asked questions

Is usage-based pricing cheaper than per-seat?

It can be, if usage is uneven. It requires active monitoring to stay that way.

Who should own consumption costs?

The team that drives the usage, with central visibility through budgets and alerts.

How often should consumption be reviewed?

Monthly for most services, weekly for new AI features in their first months.

Sources

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