AI search citation statistics
Every AI search citation statistic below is first-party data from the Visibly AI Citation Study: 47 real buyer questions asked across ChatGPT, Perplexity, Gemini, and Claude with web search on, producing 1,237 logged citations across 713 domains. Measured July 10, 2026. Each number is anchor-linked and copy-ready, and every chart can be downloaded or embedded.
40% of AI search citations go to independent third-party listicles, ahead of vendors' own sites at 34%. Only 5 of the 713 domains cited were shared by all four engines, and ChatGPT answered 29 of its 47 questions from memory without citing any source at all.
Where AI search citations actually go.
Ask the four biggest AI engines who to buy from and they do not read the brands first. They read the people writing about the brands. These two numbers set up everything else on this page.
40% of AI search citations go to independent third-party listicles, ahead of vendors' own sites at 34%.
The rest split across established media and large SaaS blogs (15%), Reddit and forums (4%), review sites like G2 (3%), and YouTube (3%). The biggest source of AI citations is people writing about the category, not the brands in it.
The study logged 1,237 citations across 713 distinct domains, from 188 answers to 47 real buyer questions in 8 industries.
Each question ran through ChatGPT, Perplexity, Gemini, and Claude with live web search on. Every cited URL was extracted, normalized to its root domain, and classified by source type.
Do the engines cite the same sources?
Almost never. "AI search" is not one surface you can win once. It is four engines with four barely-overlapping reading lists.
Only 5 of the 713 domains cited in AI search answers were cited by all four engines: zapier.com, g2.com, forbes.com, thedigitalprojectmanager.com, and getaleph.com.
Everything else was fragmented. A citation won on one engine is close to no guarantee of a citation on another.
About 75% of the domains cited in AI search answers were cited by a single engine and no other.
Tracking one engine measures roughly a quarter of reality. This is the strongest statistical argument for monitoring every engine, not just the one you check by hand.
On identical questions, ChatGPT cited 89 distinct domains, Claude 220, Perplexity 273, and Gemini 367.
Same 47 questions, wildly different reading lists. Gemini draws from a source pool roughly four times the size of ChatGPT's.
How each engine actually behaves.
The averages hide the strategy. Each engine has a distinct habit worth knowing before you spend a dollar on AI visibility.
ChatGPT skipped live web search on 29 of its 47 answers and replied from memory, citing no sources at all.
For ChatGPT, a large part of AI visibility is not whether your page is crawlable today. It is whether your brand is in the model's memory at all, which rewards brands that have been consistently written about for a long time.
Perplexity produced 65 of the 75 Reddit and YouTube citations in the study (37 Reddit, 28 YouTube); Claude cited neither a single time.
ChatGPT cited community or video once, Gemini a handful of times. Community and video investment pays off on exactly one engine today, and it is Perplexity.
The question changes who gets cited.
Whether the buyer asks "best X" or "X vs Y" flips where the citations land.
On 'X vs Y' comparison questions, vendors' own sites fell to 18% of AI citations; on 'best tool' questions they took 37%, matching listicles.
The moment a buyer pits two brands against each other, the models reach for a neutral referee. Neutral, well-sourced comparison content is what gets lifted on the highest-intent questions.
Which industries are listicle-led, and which are vendor-led?
The single most useful cut in the data. The winning AI visibility play flips depending on your category, so check your column before copying anyone's playbook. The per-industry breakdowns live in the free industry cheat sheets.
Listicles lead AI citations in 5 of 8 industries measured: project management (49%), SEO and AI tools (47%), marketing (44%), CRM and sales (41%), and ecommerce (40%).
In these categories, getting into the credible third-party roundups is the highest-impact AI visibility work available.
Vendors' own sites lead AI citations in HR and recruiting (45%), accounting and finance (41%), and customer support (39%).
In these categories the roundup ecosystem is thinner, so the models fall back on the source of record: your own comparison and pricing pages actually get cited.
The most-cited sources and most-recommended brands.
Two ranked tables, straight from the data. The first is who AI reads. The second is who AI recommends.
Reddit was the single most-cited source in the study with 43 citations, ahead of YouTube (32), Zapier (31), and G2 (19).
The sources AI leans on hardest are the places where people write about brands, not any single brand's marketing site.
HubSpot was the brand AI recommended most, with 22 recommendations, ahead of Zendesk (17), Gusto (16), and Asana (16).
The most-recommended brands are the most-documented ones: heavily reviewed, heavily covered, present in every roundup in their category.
| # | Source | Citations |
|---|---|---|
| 1 |  reddit.com | 43 |
| 2 |  youtube.com | 32 |
| 3 |  zapier.com | 31 |
| 4 |  g2.com | 19 |
| 5 |  salesforce.com | 13 |
| 6 |  techradar.com | 12 |
| 7 |  monday.com | 11 |
| 8 |  forbes.com | 10 |
| 9 |  emailvendorselection.com | 9 |
| 10 |  guideflow.com | 9 |
| 11 |  hubspot.com | 8 |
| 12 |  peoplemanagingpeople.com | 8 |
| 13 |  technologyadvice.com | 8 |
| 14 |  emailtooltester.com | 7 |
| 15 |  marketermilk.com | 7 |
| # | Brand | Recs |
|---|---|---|
| 1 | HubSpot | 22 |
| 2 |  Zendesk | 17 |
| 3 |  Gusto | 16 |
| 4 |  Asana | 16 |
| 5 |  BambooHR | 14 |
| 6 |  Ahrefs | 13 |
| 7 |  Pipedrive | 13 |
| 8 |  Rippling | 13 |
| 9 |  Surfer SEO | 13 |
| 10 |  Notion | 12 |
| 11 |  SE Ranking | 12 |
| 12 |  Semrush | 12 |
| 13 |  Shopify | 10 |
| 14 |  Zoho Desk | 10 |
| 15 |  ClickUp | 10 |
Counts from the 188 answers in the study. Explore every slice, by engine and by industry, on the interactive Visibly Index.
Where these numbers come from.
On July 10, 2026, we sent 47 buyer questions across 8 industries to ChatGPT (gpt-4o), Perplexity (sonar-pro), Gemini (gemini-2.5-pro), and Claude (claude-sonnet-4-5) through the DataForSEO LLM API, with web search enabled on every call. We extracted every cited URL from the 188 answers, normalized each to its root domain, and classified it by source type. One honest caveat: this is one measured run on one day, LLM outputs vary, and the per-industry samples are small, so treat the patterns as directional. The full methodology and every caveat are in the study.
AI search statistics, answered.
What percentage of AI search citations go to third-party content?
Roughly two-thirds. In the Visibly AI Citation Study (1,237 citations, July 2026), 40% of citations went to independent listicles, 15% to established media and large SaaS blogs, about 4% to Reddit and forums, 3% to review sites like G2, and 3% to YouTube. Vendors' own sites took the remaining 34%. The majority of AI citations point at people writing about brands, not at the brands themselves.
Which sources do AI engines cite most often?
In the study's 188 answers, the most-cited individual sources were reddit.com (43 citations), youtube.com (32), zapier.com (31), and g2.com (19), followed by salesforce.com, techradar.com, monday.com, and forbes.com. The pattern: places that cover whole categories (communities, video, roundup publishers, review sites) beat any single vendor's site.
How were these AI search statistics collected?
On July 10, 2026, Visibly sent 47 real buyer questions across 8 industries to ChatGPT (gpt-4o), Perplexity (sonar-pro), Gemini (gemini-2.5-pro), and Claude (claude-sonnet-4-5) via the DataForSEO LLM API, with web search enabled on every call. That produced 188 answers. Every cited URL was extracted, normalized to its root domain, and classified by source type, giving 1,237 citations across 713 domains. It is one measured run on one day, so treat the patterns as directional. The full methodology and caveats are in the study.
How do I cite these statistics?
Cite them as 'Visibly AI Citation Study, July 2026' and link to this page or to the full report at visibly.so/blog/who-gets-cited-in-ai-search. Every statistic on this page has a copy button that gives you a ready-to-paste quote with its source link, the data is published under CC BY 4.0, and the charts can be downloaded as PNGs or embedded with the snippet under each one. Attribution with a link is the only requirement.