The AI numbers reshaping digital marketing in 2026

Three years ago, asking an AI a question was still a novelty. Today, hundreds of millions of people do it every day to choose software, compare services, or research before making a purchase. These numbers are no longer anecdotal — they are fundamentally redrawing the rules of digital marketing.

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AI platforms by the numbers

The landscape has consolidated around a handful of major players, but growth across the entire sector remains remarkable.

Platform	Monthly active users	Launch
ChatGPT (OpenAI)	920 million	Nov 2022
Gemini (Google)	710 million	Mar 2023
Perplexity	35 million+	Aug 2022
Claude (Anthropic)	32 million	Mar 2023

For context: it took Instagram 10 years to reach 1 billion users. ChatGPT is getting there in under 3 years.

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What these numbers mean for brands

The direct consequence is straightforward: a growing share of "discovery" — the moment a consumer first encounters a brand or compares options — now happens inside an AI interface, not a search engine.

When a manager asks ChatGPT "what's the best project management tool for a team of 20?", they get a synthesized response with specific recommendations. If your brand doesn't appear there, you simply don't exist in that purchasing journey.

This shift is especially significant because AI platform users tend to skew toward decision-makers: executives, entrepreneurs, and professionals actively searching for solutions. The audience quality is high.

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Google search declining, AI search rising

Google remains dominant with billions of daily queries, but warning signs are multiplying:

• "Zero-click" searches — where users get their answer directly in Google results (via AI Overview) without clicking — now exceed 60% of all queries
• Between 30 and 40% of millennials and Gen Z now use an AI assistant as their primary information source before turning to a traditional search engine

The trend is clear: both channels coexist, but AI is accelerating, and brands that ignore this channel are building a structural disadvantage.

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The categories most affected

Not every sector is impacted equally. The categories where the effect is most immediate and measurable:

Sector	Impact level	Why
Technology & SaaS	Very high	B2B buyers consult AI heavily for tool comparisons
Health & wellness	High	Medical queries require factual, sourced responses
Finance & fintech	High	Comparing accounts, investments, insurance products
E-commerce	High	"Best product for..." queries extremely common
B2B consulting & services	High	Buyers build shortlists via AI before contacting vendors

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What CMOs need to take away

1. AI is no longer an experimental channel

With 900+ million active users on ChatGPT alone, this is a mass channel. Treating it as a technological curiosity is a strategic mistake.

2. AI visibility cannot be measured with traditional tools

Google Analytics, Search Console, SEMrush — none of these tell you whether your brand is mentioned in Claude or Gemini responses. You need purpose-built tools.

3. The time to act is now

Brands investing in their AI presence today are building a competitive lead while their competitors look the other way. In 18 months, it will be significantly harder to catch up.

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Conclusion

The numbers speak for themselves: AI has moved from novelty to a full-fledged acquisition channel. Brands that understand this shift and adapt early will be the ones that dominate AI recommendations in the years ahead.

Ready to track your AI visibility? Mentova analyzes your brand mentions across ChatGPT, Claude, Gemini, and Perplexity in minutes.