A performance target is a result the provider projects and will try to reach. A performance guarantee is a result written into the contract, with a defined consequence if it isn’t met. The difference comes down to who carries the risk when the number is missed: with a target, the advertiser absorbs the gap, and with a guarantee, the provider does.
The difference between a performance target and a performance guarantee
A performance target is a best-effort projection, while a performance guarantee is a contractual commitment with a remedy attached.
The two are easy to confuse because they’re often described with the same words: “we commit to,” “we expect,” “our goal is.” A target can be adjusted quietly if the quarter goes badly. A guarantee can’t, because it lives in the contract, not in the proposal deck.
Who carries the risk in each case
The practical difference between a target and a guarantee shows up when the result falls short.
| Performance target | Performance guarantee | |
| Where it lives | Proposal, plan or deck | Commercial contract |
| If it’s missed | Explained in the next report | A defined remedy applies |
| Who absorbs the gap | The advertiser | The provider |
| What it rewards | Activity and effort | The outcome itself |
That last row matters most. When a provider carries the risk of a KPI, what it’s incentivized to build changes: it has to be able to stand behind the result at 3am on a bad week, not only explain it afterwards.
How a KPI guarantee works
A KPI guarantee works in three steps: an agreed baseline, a committed KPI range and a defined remedy if that range isn’t reached.
The baseline is agreed from the account’s history and category references. The KPI range is set against that baseline and written into the commercial contract, together with what happens if it isn’t hit. Decisions then run continuously inside the agreed boundaries, and they’re recorded so they can be reviewed afterwards. One distinction is worth insisting on: the system doesn’t take on responsibility for the outcome, the provider does, contractually.
What to check before accepting any performance guarantee
Not every guarantee means the same thing, and five questions separate a real one from a target with better wording.
Which KPI is guaranteed, and is it measured on the advertiser’s side or only in the provider’s reporting. What baseline it’s compared against, and for what period. Which conditions or exclusions apply. What exactly happens if the KPI is missed. And whether you can review the decisions behind the result, which is what auditing AI advertising decisions is for. If any of these answers is vague, you’re looking at a target.
The Mainkore guarantee
At Mainkore, KPIs are guaranteed by contract. We’re so confident in our technology that we back its performance contractually.
Behind that commitment is autonomous advertising decision intelligence that evaluates 200+ variables per decision, in around 20ms, applying the same criterion at any hour. Our view is that the guarantee isn’t the product: it’s what a company can put in writing once its system is solid enough to stand behind. Why that shift in responsibility matters for marketing leaders is covered in AI accountability in marketing.
FAQ
A target is a projected result the provider will try to reach. A guarantee is a result written into the contract with a defined consequence if it’s missed.
The provider, contractually. With a target, the advertiser absorbs the gap if performance falls short.
The KPI, where it’s measured, the baseline and period, the conditions that apply, the remedy if it’s missed, and access to the decisions behind the result.
Accountability is one of the eight criteria in our media buying models guide. Want to know what could be guaranteed for your KPI? See what Mainkore can guarantee
Mainkore. A number in the contract, not in the deck.
