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Concepts

What is AI visibility

AI visibility is how often an AI assistant —ChatGPT, Perplexity, Google AI Mode or Copilot— names, recommends or cites your brand when someone asks about what you sell. It is the equivalent of your Google ranking, but inside a written answer instead of a list of links.

Our own figures from vilnux Research, each with its sample and linked to its method.

Short definition

You have AI visibility when, for a real question in your sector, the assistant’s answer names you, recommends you or links to your site. It is measured as the percentage of questions where you appear, not as a position.

The difference from SEO is form, not substance: in Google you compete for a slot in a list of ten links; in an assistant you compete to be one of the three or four companies that make it into a paragraph. If you are not in, there is no second page to look at.

The three ways to appear

Being named, being recommended and being cited are three different things and are measured separately.

FormWhat it meansMetric
MentionThe answer writes your brand nameShare of Answer (% of answers you appear in)
RecommendationIt proposes you as an option, not just names youPosition within the answer and tone
CitationIt links a page of your site as a sourceCitations to your domain

You can appear without being cited (the AI knows you from other sites) and be cited without appearing (it reads your page and names someone else). Full definitions are in AI visibility metrics.

How it is measured

The questions a customer of yours would ask are sent to each engine, repeated several times, and you count how many answers you appear in, with a margin of error.

Three things are needed for the number to mean anything: questions written the way a buyer writes them (not “best X companies”), several repetitions, because the same question does not always get the same answer, and a confidence interval next to each figure. In our measurement, out of 27 questions where the brand appeared at least once across three repetitions, in 12 it did not appear all three times (method and sample). Details in how we measure.

Why each engine gives a different visibility

Each assistant searches and cites different sources: two engines share only 4% to 13% of the sources they cite for the same question.

That is our own measurement over 9,124 answer pairs (see the finding). So “AI visibility” without saying which engine is an incomplete figure, and a brand can do well in Perplexity and not exist in ChatGPT.

What AI visibility is NOT

What improves it

What moves AI visibility most is usually outside your site: other pages the AI reads talking about you.

Your site matters (readable, clear about what you do, with prices and concrete data), but the full diagnosis, in the order worth checking it, is in why AI does not mention you.

Frequently asked questions

What is AI visibility?

It is how often an AI assistant —ChatGPT, Perplexity, Google AI Mode or Copilot— names, recommends or cites your brand when someone asks about your sector. It is measured as the percentage of questions where you appear.

How is it different from visibility in Google?

In Google you compete for a slot in a list of links; in an assistant, to get into a paragraph with three or four companies. If you are not in, there is no second page.

How is a brand’s AI visibility measured?

By sending each engine the questions a customer would ask, repeating them several times and counting how many answers the brand appears in, with a confidence interval next to each figure.

Is appearing the same as being cited?

No. Appearing means the answer writes your name; being cited means it links your site as a source. You can have one without the other.

How visible is your brand?

The free audit asks real questions from your sector and tells you how many you appear in and who shows up instead of you.

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What is AI visibility
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