Which platform is most commonly used for PPC?

Asked "Which platform is most commonly used for PPC?", ChatGPT, Copilot, Gemini, Google AI Mode and Perplexity named 13 distinct tools across 15 answers on September 7, 2026, and 9 of them in two or more answers, and all 5 engines agreed on Google Ads, the only tool every engine named.

Measured acrossChatGPTCopilotGeminiGoogle AI ModePerplexity

9 of 13 names confirmed · named in 2 or more of 15 answers · asked September 7, 2026 · 5 engines

Google Ads is the most commonly used platform for PPC advertising, dominating paid search spend and reach. It is the default starting point for most advertisers due to its enormous reach and strong targeting capabilities. Other frequently used platforms include Microsoft Advertising, Meta Ads, and Amazon Ads.

1Google Adsnamed in 15 of 15 answers
2Microsoft Advertisingnamed in 12 of 15 answers
3Meta Adsnamed in 11 of 15 answers
4Amazon Adsnamed in 10 of 15 answers
5LinkedIn Adsnamed in 8 of 15 answers
6TikTok Adsnamed in 5 of 15 answers
7Metanamed in 3 of 15 answers
8Amazonnamed in 3 of 15 answers
9Microsoft Adsnamed in 3 of 15 answers
10Meta Platforms Adsnamed in 1 of 15 answersone answer
11Amazon Advertisingnamed in 1 of 15 answersone answer
12Facebooknamed in 1 of 15 answersone answer
13YouTube Adsnamed in 1 of 15 answersone answer

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The full measurement

The position each of the 5 engines gave all 13 names.
How many of the 15 answers named each of them.
64 sampled observations behind this ranking, and where the engines disagree.
Fan-out — the query each engine actually searched.
Every citation, and the sources nobody cited.

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