AIO Barometer 2026 · October edition

Which brands does AI recommend?

On 2 October 2026, Million Marketing asked ChatGPT, Gemini, Google AI Mode and Google AI Overviews the same 40 buying questions, in French, from France. 160 answers, eight sectors. Each point of light is a brand cited: 411 in total.

01 · Four engines, four lists

Each AI has its own constellation.

Pick an engine to light up the brands it cites. Each point sits between the engines that cite it.

No engine selected: all brands are shown.

02 · The common core

Only 28% of brands are cited everywhere.

Between two engines, the overlap of brands cited ranges from 46% (ChatGPT and Gemini) to 59% (AI Mode and AI Overviews). Visibility on one engine guarantees nothing on the others.

03 · The blind spots

35% exist for one engine only.

More than one cited brand in three appears in just one of the four tools. It vanishes as soon as the buyer switches AI. A strategy that monitors a single engine misses much of the field.

04 · The length of the lists

ChatGPT cites fewer brands.

On average, 4.5 brands per answer for ChatGPT, 5.7 for AI Overviews, 7.0 for Gemini and 7.3 for AI Mode. And on 17 questions out of 40, the same brand comes first in all four engines: first place is often locked in.

05 · Where Google gets its answers

Google relies first on what others say.

Of 644 source links found in 70 Google answers: 61% point to third-party sites (media, comparison sites, blogs), 26% to the websites of the brands cited, 9% to social and video platforms, 4% to public bodies. YouTube appears in 44% of sourced answers.

Method

How we measured.

• 40buying questions phrased as a consumer or decision-maker would, five per sector
• 8sectors, from online banking to B2B software
• 4engines queried on the same day, in French, from France
• 160answers analysed: brands cited, order of appearance, Google sources

AI answers vary from one query to the next: this barometer is a snapshot, not an exhaustive measure. Limits are detailed in the full barometer.

And your brand?

Are you in the constellation?

Measure the maturity of your acquisition in two minutes, AI visibility included, with the Remix Diagnostic. Or ask our experts for an AIO audit of your brand against your competitors.

Source: Million Marketing AIO Barometer 2026. 40 questions asked on 2 October 2026 to four answer engines, 160 answers, 411 distinct brands. AIO is also called GEO. The proportions shown are real; the position of each point is illustrative and does not designate any brand.