AI search market share 2026: what the verified data says

Asking "what is the AI search market share in 2026?" sounds simple, but no single number answers it. Google still sends about 91% of the search engine referrals that Statcounter measures worldwide, ChatGPT sends about 79% of AI chatbot referrals on the same panel, OpenAI reports more than 900 million weekly ChatGPT users, and Google reports more than 1 billion monthly users for AI Mode. Each of these figures is real, dated and sourced below, yet they measure different things and cannot be added together. This article sorts them out, shows what the most reliable studies say about AI-driven search and clicks, and explains what it changes for an online store.

Why there is no single AI search market share figure

Most "AI search market share" charts you see online mix three kinds of data without saying so. Before comparing platforms, it helps to know which one you are looking at.

• Referral shares: Statcounter counts the visits that reach websites from each search engine or chatbot, across its network of sites. It tells you where traffic comes from, not how many people use a tool. A chatbot that answers without sending anyone to a website barely shows up.
• Company-reported users: OpenAI, Google and others publish user counts in funding announcements and earnings calls. They are official, but each company picks its own metric (weekly users for ChatGPT, monthly users for Gemini and AI Mode) and its own definition of a user.
• Surveys and panels: Pew Research Center asks representative samples of U.S. adults what they use, or tracks their actual browsing. These studies are the most transparent on method, but they cover the United States only and a specific period.

None of these sources produces a share of all "search queries" split between Google and AI assistants. Any article that gives you one global percentage for "AI search" is combining incompatible numbers or estimating them.

Classic search: Google still holds about 91%

On the traditional side, the picture has barely moved. According to Statcounter's worldwide search engine data, Google accounted for 91.1% of search engine referrals in August 2026.

Google Search now includes its own AI answers

A key point often missed: a large part of AI search happens inside Google itself. Google's AI Overviews appear at the top of regular results, and AI Mode offers a conversational search experience. So Google's 91% of referrals does not mean "91% non-AI". It includes visits that came through pages where an AI summary was shown.

Google's own figures show how large these features have become. On the Q2 2025 earnings call (July 23, 2025), Sundar Pichai said AI Overviews had "over 2 billion monthly users across more than 200 countries". On the Q2 2026 call (July 22, 2026), he said AI Mode had "surpassed 1 billion monthly active users" since its global expansion, up from over 100 million monthly active users in the U.S. and India a year earlier. Google also says it has now brought AI Overviews and AI Mode "together into one seamless Search experience".

Bing and the others stay far behind

Bing's 4.5% looks marginal next to Google. Microsoft's AI assistant, Copilot, is measured separately in the next section with the other chatbots. Among classic engines, Yahoo!, Yandex, DuckDuckGo and Baidu each stay close to or below 1% worldwide in Statcounter's August 2026 data.

AI assistants: which ones send traffic to websites

Statcounter also publishes an AI chatbot market share based on the same method: the share of visits to websites referred by each chatbot. For a merchant, this is the most practical view, because it reflects traffic that actually lands on sites.

The April 2026 column comes from Statcounter's press release of May 7, 2026, which puts the sample at over 3 billion page views a month across more than 1 million websites. At the time, ChatGPT's 76.85% was its lowest share on record, down from 84.21% a year earlier.

What these shares tell you, and what they don't

• ChatGPT dominates chatbot referrals: roughly four out of five chatbot visits to websites in August 2026 came from ChatGPT.
• The ranking below ChatGPT moves month to month: Perplexity went from 7.73% in April to 4.31% in August, while Gemini moved from 9% to 10.9%. Four months of data are not enough to call a lasting trend.
• Referrals are not usage: an assistant whose answers rarely link out will look smaller here than its real audience. Gemini's app audience, for example, is far larger than its referral share suggests (see below).
• Google AI Overviews and AI Mode are not in this table: their clicks are counted as Google search traffic, not as chatbot traffic.

What the platforms report about their own users

Company figures give the scale of each audience. They are official, but they are not comparable with one another, and they cannot be summed: the same person may use ChatGPT, Gemini and Google AI Mode in the same week.

ChatGPT: more than 900 million weekly users

When it closed its funding round on March 31, 2026, OpenAI wrote that ChatGPT has "more than 900 million weekly active users, and over 50 million subscribers". A weekly metric is stricter than a monthly one: someone who opens ChatGPT twice a month may not count every week.

Google: 950 million Gemini app users and AI Mode past one billion

On July 22, 2026, Alphabet reported 950 million monthly active users for the Gemini app, with daily active users "tripling in the last year". A year earlier, the figure was "more than 450 million". Google also states that AI Mode, like AI Overviews, "is driving an incremental increase in Search queries overall" and that it is "sending billions of clicks to websites every week through AI features in Search". These are company statements; Google does not publish the underlying click data.

Perplexity, Copilot and Claude: no comparable recent figure

We did not find a recent official user count for Perplexity, the consumer version of Microsoft Copilot or Claude that is comparable with the figures above. For these three, the most solid public data points in this article are Statcounter's referral shares and Pew's survey results. Figures circulating on statistics blogs without a company statement behind them are left out on purpose.

What users actually do: Pew Research data

Surveys answer a different question: how many people use these tools at all, and for what. The most recent reference is Pew Research Center's report Americans and AI 2026, published on June 17, 2026 and based on a survey of 5,119 U.S. adults conducted February 17 to 23, 2026.

• About half of U.S. adults (49%) use AI chatbots, including roughly one in four who use them daily.
• ChatGPT is by far the most used: 44% of U.S. adults report using it, up from 34% in 2025 and more than double the share Pew measured in 2023.
• Gemini comes second, used by about a quarter of adults, followed by Copilot and Meta AI. About one in ten or fewer say they use Grok, Claude or Character.ai.
• Search is a top use: about four in ten U.S. adults say they use chatbots for information searching.
• AI summaries in search engines are widely read: six in ten U.S. adults say they read the AI summaries at the top of search results; three in ten say they do not.
• Age matters: adults under 50 are about twice as likely as those 50 and older to use ChatGPT (57% vs. 28%).

Pew notes that its 2026 question was worded differently from earlier years and now asked about several chatbots, so year-to-year comparisons should be read as indicative. These results also cover the United States only.

AI Overviews and clicks: what the evidence shows

For a website owner, the real question is not market share but clicks. The best independent measurement so far is a Pew Research Center study published on July 22, 2025. It tracked the real browsing of 900 U.S. adults in March 2025, covering 68,879 unique Google searches.

About one Google search in five produced an AI summary

In March 2025, 18% of the Google searches in Pew's sample produced an AI summary. The rate depended heavily on the query:

• Short queries (one or two words): 8% produced an AI summary.
• Queries of ten words or more: 53% did.
• Queries starting with a question word: 60% did.
• Full sentences (with a noun and a verb): 36% did.

This data is from March 2025. Google has expanded its AI features since then, so the share today is likely different, but no comparable independent measurement for 2026 has been published that we could verify.

Fewer clicks on classic results when a summary appears

• Clicks on a traditional result: users clicked a traditional search result in 8% of visits with an AI summary, against 15% of visits without one.
• Clicks on links inside the summary: just 1% of visits.
• End of the browsing session: users ended their session on 26% of pages with an AI summary, against 16% of pages with only traditional results.

Google's position is different: it says AI features increase overall queries and send "billions of clicks" every week. Both can be true at once. Total queries can grow while each individual informational search sends fewer visitors to websites.

What it changes for an e-commerce site

Put together, the verified data points to a few practical conclusions for online stores, without needing any forecast.

Google stays your first channel, AI included

With 91.1% of search referrals and its AI features built into the results page, Google remains the main source of search traffic for most stores. Google's documentation on AI features and your website is clear: "There are no additional requirements to appear in AI Overviews or AI Mode, nor other special optimizations necessary." A page must be indexed and eligible to show in Google Search with a snippet, and you don't need AI text files or special markup. Traffic from these features is counted in Search Console's Performance report under the "Web" search type.

Informational pages are the most exposed

Pew's data shows AI summaries appear most on long, question-style searches. Those are the queries a store's buying guides and blog articles often target. Short one- or two-word searches, closer to how people look for a product name, produced a summary in only 8% of cases in that sample. It is worth checking in Search Console whether your informational pages keep their impressions but lose clicks.

Track AI referrals separately

ChatGPT sends about four in five chatbot referrals to websites, so it is the first assistant to watch in your analytics, followed by Gemini and Perplexity. Visits from chatbots show up as referrals from their domains. Since your brand can also be mentioned in an answer without a click, it helps to check directly what the assistants say about your products and competitors. Our guide to AI search visibility tools compares the options, and the article on answer engine optimization covers how to structure content for these engines.

Where Sedestral fits

Sedestral brings together six SEO agents: Alya for the blog, Rémi for optimizations, Maya for backlinks, Nox for indexing and technical audits, Marc for competitors and Louise for creative work. It also tracks your brand's visibility on ChatGPT, Gemini, Perplexity, Google AI Overview and AI Mode. You can start on a free plan; paid plans start at €119/month, shown in your local currency.