Google tests Gemini-powered search ads with AI shopping explainers

Google is pushing its AI search business one step closer to the checkout button. On May 20, 2026, the company said it is testing new Search ad formats built with Gemini, including Conversational Discovery ads and Highlighted Answers, each paired with an independent AI explainer that summarizes a product or service before a user clicks.

The company said the new ads will stay clearly labeled “Sponsored,” but the design marks a sharper shift in how Google presents commercial information. Instead of showing only a paid placement, Google’s system will now interpret the query, generate a product explanation, and then steer users toward advertiser creative inside the same experience. That fusion is likely to intensify scrutiny over whether AI search is informing consumers, influencing them, or doing both at once.

Google framed the change as part of a broader redesign of Search for the AI era. The company said 75% of people report making faster, more confident decisions using AI Mode in Search, and added that AI Mode has now surpassed 1 billion monthly users. Google has also been expanding its ad products around AI Mode and AI Overviews, where ads were first brought in during May 2025 as Search and Shopping ads shown where relevant and integrated into AI responses.

The company expanded those ads further in 2025, saying they are inserted when relevant to both the query and the response. In January 2026, Google said Gemini 3 became the default model for AI Overviews globally, tying the company’s newest search model more tightly to the ad experience. The latest test suggests Google is now trying to make the commercial layer feel less like an interruption and more like part of the answer itself.

That strategy could help Google keep users inside Search longer and improve ad performance, but it also deepens a central competition concern: the same system now interprets a shopper’s question and routes that shopper toward paid results. Google has already been pushing advertisers toward AI Max for Search campaigns and other Gemini-based tools, while also moving conversational shopping and AI-powered ads into Google Marketing Live and related products. The result is a search marketplace where the line between information and persuasion is getting harder to see, even as Google insists the ads remain labeled.