🔍 Read the full analysis: Could Global AI Search Ads Help Google Navigate Slower Growth? on ThorstenMeyerAI.com
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TL;DR
Google announced October 28 that ads in its AI Mode search experience are expanding to 10 more countries and to U.S. follow-up questions. The move comes as Search & other revenue growth eased to 12% in the third quarter, and Google said AI Mode searches currently generate less revenue than traditional searches. The announcement does not establish how much the new placements will add to revenue or how they affect website traffic.
Google said on October 28 that ads in its chat-style AI Mode search experience are expanding to 10 countries and will also appear in U.S. follow-up questions, as Alphabet reported that Search & other revenue grew 12% in the third quarter, slower than in the previous quarter. Google says AI Mode searches are growing quickly but are less monetized so far, making the ad expansion a potential way to earn more from those interactions; the company has not disclosed how much revenue it expects the new placements to generate.
The new markets are Australia, Canada, India, Kenya, Malaysia, New Zealand, Nigeria, Pakistan, the Philippines and Singapore. Google said it plans to add Brazil, Mexico and the United Kingdom in the fourth quarter of 2026. In the United States, ads are being added to answers to follow-up questions in AI Mode, so a sponsored placement may appear later in a conversational search, not only in response to the initial query.
Google’s announcement, attributed to Shashi Thakur, who leads the company’s search ads business, also describes the format: ads are labeled “Sponsored,” and the company says its AI-generated answer is not influenced by advertising. Google says existing Search, Shopping and Performance Max campaigns can appear in the placements automatically. According to Google Ads Help, advertisers cannot opt out or set separate targeting for these AI answer placements; reporting is aggregated, and Google-generated short explanations alongside ads cannot be edited by advertisers.
Alphabet reported $63.4 billion in Search & other revenue for July through September, up 12% from a year earlier. Growth was 17% in the previous quarter, following 19% and 17% in the two quarters before that. Chief business officer Philipp Schindler said exchange rates were the largest factor in the slowdown, while also citing lower monetization of the fast-growing AI Mode queries. The figures describe the business overall; Alphabet has not given a separate revenue total for ads shown in AI answers.
Infographic 01 · From test to global
The answer now carries the ad, in more places.
How Google moved ads into its AI answers in two years, where they show today, and the revenue pressure behind the move.
Where ads appear inside AI answers
Per Google’s help page and the 28 Oct post. The list “may not be exhaustive”.
Follow-up questions (“multiturn ads”): US only. Germany and the rest of the EU: not listed. Ads above or below AI Overviews can show wherever AI Overviews exist (200+ countries and territories).
Why now: Google Search & other revenue growth
Year over year, as reported by Alphabet. Bars scaled to 19%.
Q2 to Q3 2026: about +0.1%. Same months a year earlier: about +4.4% (my arithmetic). Google names exchange rates as the largest driver of the slowdown, and the “lower monetization” of AI Mode as one factor.
- 3 Oct 2024Ads inside AI Overviews go liveUS, mobile, after months of testing
- 21 May 2025Desktop in the US; first tests in AI ModeEnglish-speaking countries announced for later in 2025
- 20 May 2026New formats in testingConversational Discovery ads and Highlighted Answers, both with a Gemini-written “AI explainer”
- 28 Oct 2026AI Mode ads in 10 more countriesPlus “multiturn ads” in follow-up questions in the US; labeled “Sponsored”
- Q4 2026Planned: Brazil, Mexico, United Kingdom“Additional locales, including” these three
Sources: Google, 28 Oct 2026; Google Ads Help, accessed 29 Oct 2026; Google, 3 Oct 2024; Google, 21 May 2025; Google, 20 May 2026; Alphabet Q3 2026 release and the Q4 2025, Q1 2026 and Q2 2026 releases. “3× longer” is Google’s AI Mode report (US, May 2026). Quarter-on-quarter changes and bar scaling: Thorsten Meyer.
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AI Queries Meet Slower Ad Growth
The expansion addresses a business challenge created by Google’s shift toward longer, conversational searches. Alphabet says query growth is strong, but Schindler said AI Mode searches currently bring lower monetization. Adding sponsored results to more AI answers could give Google additional opportunities to earn from those queries, but the announcement provides no forecast or evidence yet of the revenue impact.
The change also matters beyond Google’s accounts. Search answers can meet a user’s needs without a click to a publisher, while advertising remains present inside the answer experience. A 2026 working paper by Agarwal and Sen reported results from a randomized experiment involving 1,065 U.S. users: when AI Overviews appeared, clicks to websites fell by 39.8%, while the study found no measurable change in ad clicks. That finding is from a working paper, not a settled measure of the effect of Google’s newer AI Mode placements, and it should not be treated as a direct estimate of their impact.
For users, the immediate practical point is that a product suggestion within an AI answer may be an ad. Google says placements will be marked “Sponsored”. For advertisers, the automatic participation and limited controls mean these placements are part of existing campaigns rather than a standalone channel they can manage separately, according to Google’s help materials.
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From AI Overviews to AI Mode
Google’s AI Overviews are generated summaries shown within standard search results; AI Mode is a separate conversational search experience that supports longer questions and follow-ups. The company began placing ads in mobile AI Overviews in the United States in October 2024, expanded them to desktop in May 2025, and began testing ads in AI Mode that month, according to Google’s published timeline.
At Google Marketing Live in May 2026, Google also began testing formats it called Conversational Discovery ads and “Highlighted Answers.” The October announcement extends the availability of AI Mode ads internationally and adds U.S. placements in later turns of a conversation. Google says AI Mode queries are, on average, three times longer than classic searches. It also reported similar click-through rates for sponsored and organic product-list items in AI Mode, based on its own U.S. data from August 20 to September 3, 2026. That comparison is limited to product-list items within AI Mode; it does not establish how often users click through to websites.
As of October 29, Google’s help page listed 12 countries for ads in AI answers and specified English-language availability. Germany and other European Union countries were not listed. The announcement names further markets planned for the fourth quarter but does not say that EU availability is imminent.
““The strong growth in AI Mode queries had an impact because of the lower monetization we were seeing in AI mode.””
— Philipp Schindler, Alphabet chief business officer, on the third-quarter earnings call
Revenue Impact and User Effects
Google has not said how much the international rollout or U.S. follow-up ads are expected to add to revenue, how many users will see them, or whether ad placement will change as the system develops. The company’s stated click-through comparison is based on a short period of internal data and compares sponsored with unpaid product-list items; it does not answer whether the new format increases total ad revenue or reduces clicks to publishers.
Google says advertising does not influence the AI’s answer, but the source material identifies no independent audit of that claim. The randomized study on AI Overviews provides evidence about one search format, not a direct test of these new AI Mode ads. It remains unclear how the rollout will affect publishers’ traffic, advertisers’ returns or users’ ability to distinguish paid suggestions in practice.
The announced market list does not include Germany or other EU countries. Google’s materials specify English-language availability, but the company has not provided a timetable for broader language support or European expansion beyond the markets it named.
Fourth-Quarter Market Rollout
Google says it plans to bring AI Mode ads to Brazil, Mexico and the United Kingdom in the fourth quarter of 2026. The company has already said ads are expanding to the 10 newly listed markets, but the announcement does not give a country-by-country launch schedule or specific dates for each rollout.
The next useful indicators will be whether Alphabet reports a distinct revenue contribution from AI search ads, whether it changes advertiser controls or reporting, and whether independent research measures their effects on clicks and ad performance. Until those details are available, the expansion confirms Google’s direction for AI search advertising, but not its financial payoff or its effect on the wider web.
Key Questions
Where is Google expanding ads in AI Mode?
Google named Australia, Canada, India, Kenya, Malaysia, New Zealand, Nigeria, Pakistan, the Philippines and Singapore. It plans to add Brazil, Mexico and the United Kingdom in the fourth quarter of 2026.
What is changing for U.S. AI Mode users?
Google says ads will also appear in answers to follow-up questions, so sponsored placements can show up later in a conversational search as well as in response to the initial query.
Can advertisers opt out of these placements?
Google Ads Help says existing Search, Shopping and Performance Max campaigns may serve in the placements automatically. The materials say advertisers cannot opt out or separately target these ads, and reporting is aggregated.
How will users identify an ad in an AI answer?
Google says ads in AI answers will carry the label “Sponsored.” The company also says ads do not influence the AI’s answer; independent verification of that claim was not identified in the source material.
Does the expansion show that AI ads are boosting Google revenue?
No revenue impact from the new placements has been reported. Alphabet said Search & other revenue grew 12% year over year in the third quarter and cited lower monetization of AI Mode searches, but it has not disclosed a separate figure or forecast for these ads.
Source: ThorstenMeyerAI.com
