A study of 50,032 keywords found Google AI Mode now shows ads on nearly a third of commercial searches. But the ad slot and the citations are separate systems. Paying for placement does not buy you a mention in the answer.
Buying the slot does not buy you the mention. Placement, citations and organic rankings are drifting apart, and Google is happy to charge you for one of the three.
Google has started selling ad slots inside its AI answers, and a new study shows how far it has gone. An analysis of 50,032 commercial keywords found ads appearing in nearly a third of AI Mode responses. In 71.1% of those, the answer carried two ad items. This is not a test anymore. Google is building formats to sell.
Here is the part that matters. The ads and the citations are two separate systems. In 88% of the keywords where an ad appeared, the advertiser's own domain was nowhere in the sources the AI Mode answer cited. You can pay to sit inside the answer and still not be the brand the machine recommends.
Placement is driven by CPC. The higher the commercial intent, the more likely an ad shows. That means your most valuable keywords, the ones with buyers attached, are exactly where Google is inserting a paid layer between the question and your answer.
Why it matters
For Australian advertisers this is a new paid channel dressed up as search. It looks like search and it sits in the same box, but the rules are different. Treating AI Mode ads like standard Search ads, or assuming a strong organic position protects you, is how you end up paying for the click while a competitor gets named as the recommendation.
The share of AI Mode ad keywords where the advertiser's own site was not among the sources the answer cited
What to do about it
The search box is quietly splitting into three markets that used to be one. Know which one you are actually winning.