AI Share of Voice: How to Measure Your Brand Against Competitors

Your own visibility number is only half the story. If assistants name you in forty percent of answers, that is good or bad depending on who else is named. Share of voice puts your mentions in context by comparing them with the rest of the field, which is why it is the metric most useful for decisions.

What AI share of voice means

AI share of voice is the proportion of all brand mentions, across a fixed set of questions, that belong to your brand. If you run a set of questions several times, count every mention of you and each competitor, and divide your count by the total, you have your share. It sits alongside visibility, which is the percentage of answers that mention you at all.

The two answer different questions. Visibility asks how often you appear. Share of voice asks how much of the conversation you hold.

Choose the competitor set carefully

List the businesses a customer would actually consider. Include direct competitors and, if relevant, the aggregators and directories that often appear in answers. If the competitor list is too narrow, your share looks flattering. If it is padded with irrelevant names, it looks worse than reality. Review the list after your first run, because assistants often reveal competitors you had not considered.

Fix the question set

Share of voice is only comparable over time if the questions stay the same. Group them by intent, such as discovery, comparison, trust and cost, so you can see where you are strong and where you are not. A brand may dominate comparison questions about itself and be nearly invisible on discovery questions, which is the more commercially valuable group.

Measure more than the count

Add two supporting measures. Position records whether you are named first, in the middle or last. Sources record which sites the assistant linked to or drew on. A competitor with a smaller share but a consistent first position may be winning more attention than the counts suggest, and the sources show where the competitor is earning its mentions.

Turn numbers into actions

• Where you have a low share on discovery questions, check whether you have any page that answers them.
• Where a competitor is cited from a particular directory or publication, find out how to be listed there.
• Where assistants state outdated facts about you, correct the sources they rely on.
• Where you already lead, protect the pages and listings responsible.

A worked calculation

Suppose you run one hundred answers across your question set and track three brands. Your brand is mentioned in forty answers, competitor A in sixty and competitor B in thirty. The total number of mentions is one hundred and thirty. Your share of voice is forty divided by one hundred and thirty, which is about thirty-one percent. Your visibility, the share of answers that mention you at all, is forty percent.

Notice that visibility and share of voice answer different questions. If a new competitor enters and appears often, your visibility may hold steady while your share of voice falls, because the pie has more slices. That is exactly the kind of change a visibility number alone would hide.

Segmenting the results

Always break the figure down. Segment by question group to see where you lead and where you trail. Segment by assistant, because performance often differs a lot between them. Segment by geography if you serve several locations. A single blended number averages away the differences that tell you what to do. A brand with a strong blended share can still be missing from the one assistant its customers prefer.

Reporting it to stakeholders

Executives and clients usually want three things: where we stand, what changed and what we are doing about it. Present your current share of voice next to the previous period and the leading competitor. Show two or three questions that moved, with the reason you believe they moved. Close with the next actions and when you will remeasure. Be honest about the noise in the data. A report that explains variation clearly earns more trust than a chart that claims false precision.

If you work for clients, the same structure scales across accounts. Keep the method fixed, so numbers are comparable from client to client and month to month.

Reading the trend, not the snapshot

Because answers vary, treat movement of a few points as noise. Look for sustained change across several runs, and compare the same question set on the same assistant. The AI Visibility Tracker calculates mentions, position and share of voice against the competitors you enter, lists the domains that were linked, and saves each run so you can see the trend. If you are new to the idea, start with what AI visibility is.

Frequently asked questions