PPC isn’t dying – the term is. For years it’s been shorthand for buying clicks on text ads next to 10 blue links, but that world is already fading as zero‑click results, AI answers and agents take over more of the journey. Search ads themselves aren’t going anywhere; they’re mutating into new formats and buying models, and AI search is opening up a whole wave of opportunities we don’t even have proper names for yet.
Why the old unit of value breaks
The traditional PPC story is simple:
User searches > sees ad > clicks > lands on your site > maybe converts
Zero‑click and AI search break this narrative. More answers – and, increasingly, more actions – are handled inside AI experiences and agents, without a conventional click or a classic landing page. If you keep hanging everything off “traffic to site”, you’re treating the shrinking part of the journey as if it’s still the whole story.
Under the hood, though, the same economic logic persists. Brands still want to:
- Show up at the point of decision.
- Influence what gets recommended, rendered or booked.
- Pay in a way that’s proportionate to the value created.
The difference is that the unit we optimise for is becoming less about the click and more about what the AI or agent actually does for the user.
Agentic commerce: pay‑per‑action by design
Agentic commerce makes the shift obvious. Users brief agents – “find me a new dishwasher under £500 that can be delivered this weekend” – and those agents go off to do the hunting, comparing and buying on their behalf. Payments companies and consultancies are already sketching what this looks like in practice: success‑based fees when an agent completes a purchase, renews a contract, upgrades a plan or books a service.
That’s far closer to classic CPA or ROAS than to CPC:
- You compete to be in the agent’s consideration set for a given job (category, constraints, user preferences).
- You pay when the agent actually executes a defined outcome – checkout, subscription, booking – within agreed economic guardrails.
In this world, PPC thinking doesn’t die – it just re‑anchors around actions instead of visits. The optimisation loop becomes “get more profitable agent outcomes”, not “get more sessions”.
World‑model search: pay‑per‑visit and pay‑per‑experience
Push further into a world‑model view of search – where the system holds a dynamic map of people, places, inventory and intent – and the unit of value gets physical. Your AR glasses, in‑car assistant or phone agent might say: “There’s a store 400 metres away with the trainers you asked for, in stock, in your size – want to go now?”
The most relevant metric at that point isn’t a click; it’s whether the person actually turns up and what happens when they do. Online‑to‑offline attribution is already here via location data, geofencing, QR codes, loyalty IDs and POS integrations that prove ad‑exposed users visited or bought in‑store. In a richer world‑model, that matures into:
- Pay‑per‑visit: brands pay when an assistant‑routed user physically walks into a verified location, matched back to the recommendation.
- Pay‑per‑experience: pricing against attended demos, test drives, consultations or other high‑value offline events, not just the final sale.
Here, the “ad” is the journey from prompt to presence. You’re buying the right to be the place an AI world‑model sends people, and paying based on how often that actually materialises.
Generative Media: pay‑per‑pixel and pay‑per‑object
Generative AI is already being used to create and adapt images and video for ad campaigns, but most of today’s buying still follows familiar impression or view‑based models. The interesting question is what happens if the content itself becomes the ad unit.
It’s easy to imagine new, more granular models emerging over time:
- Pay‑per‑pixel / share‑of‑scene: brands paying to occupy a certain proportion of pixels inside AI‑generated images or video when users ask for inspiration, outfits, rooms, itineraries or recipes.
- Pay‑per‑object: fees tied to how often a specific branded item (car, coffee machine, trainers) is instantiated as an identifiable object in generated media.
- Pay‑per‑scenario: sponsoring full AI‑generated “stories” – trips, meal plans, training blocks – where your products are the defaults throughout the sequence.
None of this is how media is actually traded today; it’s a thought experiment about where things could go as generative formats mature. In that kind of world, the click is almost irrelevant – what matters is being literally drawn into the content people see when they imagine “the right answer”.
Other emerging “pay‑per‑X” models
Once you stop anchoring everything to a click, a lot of other pricing mechanics start to make sense in an agentic, AI‑native landscape:
- Pay‑per‑slot: fixed or auction‑based fees to occupy premium positions in an agent’s shortlist or comparison table – think “sponsored answers” instead of sponsored links.
- Pay‑per‑conversation: usage‑based pricing where brands fund the number, depth or duration of assistant‑mediated interactions involving their products, support or content.
- Pay‑per‑query / API call: data providers and vertical search engines charging agents per call to their APIs, quietly shifting part of “media spend” into infrastructure and data spend.
- Pay‑per‑policy: enterprise deals where you pay to be encoded as a default or preferred choice when an agent operates under certain user or platform rules (sustainability thresholds, loyalty tiers, brand lists).
None of these look like a standard Google Ads line item today, but they all rhyme with the same idea: money in exchange for influence over what gets seen, selected and done.
So what happens to “PPC”?
In a zero‑click, agent‑first world, “PPC” stops being the name of a single channel and becomes a mindset:
- Pay for outcomes, not just entries to your site.
- Optimise around the places where AI systems make decisions on behalf of users.
- Get comfortable with multiple, parallel pay‑per‑X models that span on‑SERP, in‑chat, in‑world and in‑store touchpoints.
We move from “PPC” as a term, to “Search Ads” – in whichever format or buying model that exists.
The risk for advertisers isn’t that paid media in search disappears. It’s that our measurement, planning and language stay stuck in CPC land while the platforms quietly rebuild the game around agents, world models and generative interfaces.
PPC isn’t dead. The click is just becoming the least interesting thing we can pay for.
