Over the past eighteen months the question we have been asked most often is this: how should an AI product be priced. SaaS pricing has been refined for twenty years. AI pricing has no settled answer yet. But several patterns are already clear.

Below are the four structural differences we have worked out while setting prices with AI startups and with existing SaaS companies adding AI features.

Difference 1: variable cost actually varies

In classic SaaS, variable cost was effectively zero. One more user changed infrastructure cost almost not at all. That is why “100% margin per customer” was the SaaS default.

AI products are different. Every additional call consumes GPU time, tokens, and external API cost. In short:

SaaS: build it once, sell it without limit.
AI: every single response costs money.

This one difference destabilises every pricing decision downstream. Allow unlimited use on a flat fee and heavy users eat your margin. Move to usage-based and customers hesitate because they cannot forecast their own cost.

Classic SaaSFixed costVariableCost barely moves as usage growsAI productFixedVariable costInference cost rises in step with usageShare of cost that grows with each additional unit of revenue
AI products carry a large variable cost share, so margin thins as usage grows. Charge a single flat fee and your heaviest users become your loss-making ones.

Difference 2: seat count stops working as a unit

The SaaS standard was per-seat charging. One user, one licence. Simple and predictable.

Introduce an AI agent and the equation breaks.

The units emerging instead are per resolution, per task, per outcome. Per ticket handled, per report written, per enquiry resolved. Intercom’s Fin and Salesforce’s Agentforce are both moving this way.

Difference 3: price gets dragged along by cost

In classic SaaS, price followed value. Letting cost determine price was treated as a cardinal sin. With AI products it is easy to slide into exactly that:

The way out is to keep the charging unit tied to customer value, and to treat cost as a floor rather than a basis. A margin protection line belongs in the structure, not in a spreadsheet nobody looks at.

Difference 4: model performance improves fast, which pushes prices down

Inference costs have fallen sharply and continue to.

If your price is expressed in units the customer associates with model cost, you inherit that deflation directly.

So how should you price

Four patterns we recommend in practice.

1) Hybrid Floor

A base subscription with overage charging, plus a defined minimum margin line per customer. If usage spikes abnormally, a trigger brings sales in to renegotiate.

2) Outcome-Based with Floor

Charging on results, but with a minimum platform fee even when no result occurs. The customer keeps the incentive to adopt while your operating cost stays covered.

3) Tiered Capacity

Each tier states an AI processing allowance (credits, tasks) with overage charged on top. Customers get cost predictability, and value is still recovered from heavy users.

4) Value Sharing

Taking a percentage of the result the customer gains. The strongest alignment available, and the longest sales cycle. It requires a market mature enough to accept it.

PatternRevenue predictabilityMargin stabilityBarrier to adoption
Hybrid FloorHighHighMedium
Outcome with FloorMediumMediumLow
Tiered CapacityHighMediumLow
Value SharingLowVariableLowest

Three traps to avoid

Closing

AI-era pricing is SaaS-era pricing with two new variables added on top: cost volatility and measurability of outcome. No single model handles both. A hybrid that watches value, cost, and operability at the same time is not optional.

The most important part is not treating price as something you set once. For an AI product, price is an operational area.

📩 If you want to rebuild the pricing structure of an AI product, start with the Pricing Check.