The short answer
AI share of voice is the portion of AI answers in your market that mention your brand versus competitors. You calculate it from a fixed set of buyer prompts asked on ChatGPT, Gemini, Perplexity and similar tools. If your brand appears in more of those answers than your rivals, your share of voice is higher.
- AI share of voice compares your presence in AI answers with your competitors' presence.
- It only means something for a fixed, well-chosen set of buyer prompts.
- There are a few ways to calculate it, so always check which one a tool uses.
- The trend over weeks matters more than any single reading.
What does AI share of voice mean?
Share of voice is an old advertising idea. It asks how much of the conversation in your market is about you rather than rivals.
AI share of voice applies the same idea to AI answers. It asks how often your brand comes up when AI tools answer your buyers' questions.
Because it is relative, it shows your standing against the brands you actually compete with.
How is AI share of voice calculated?
Two simple formulas are common. Both use the answers to your tracked prompts.
| Illustrative example | Answers mentioning brand | Share of all brand mentions |
|---|---|---|
| Your brand | 15 of 60 | 15 of 90 (about 17%) |
| Competitor A | 30 of 60 | 30 of 90 (about 33%) |
| Competitor B | 25 of 60 | 25 of 90 (about 28%) |
| Competitor C | 20 of 60 | 20 of 90 (about 22%) |
Mention rate = answers that mention you / all answers checked Share of voice = your brand mentions / all tracked brand mentions
The numbers above are a made-up example: 20 prompts asked on 3 platforms gives 60 answers.
Why AI share of voice matters
A raw count of mentions is hard to judge on its own. Share of voice puts it next to your competitors, so you can see who is winning.
It also tells you whether your work is paying off. A rising share after new listings or clearer pages is a useful signal.
Some tools also weight mentions by position, giving more credit to brands named first. Ask how a figure was built before comparing tools.
How to read AI share of voice without fooling yourself
Share of voice is only as good as the prompts behind it. Keep these points in mind.
- Use enough prompts. A handful of questions can swing wildly from week to week.
- Keep branded prompts separate. Questions that name you will inflate your share.
- Split results by platform, since ChatGPT and Perplexity can disagree.
- Track mentions and citations separately. Being linked is different from being named.
- Check how you are described, not just how often. A negative mention still counts in the total.
How to improve AI share of voice
Start with prompts where competitors appear and you do not. They show exactly where the gap is.
Next, look at which sources those answers cite. Getting fairly listed on them is often the most direct lever.
WebValet Pro builds share of voice only from observed answers to your 25 tracked prompts, against three competitors. It is in early access, with tracking rolling out to Pro.
- Make your pages say clearly what you offer and who it suits.
- Get listed on the directories and review sites that show up in answers.
- Earn a place in honest comparison articles in your niche.
- Fix crawler access so AI search bots can read your site.
How AI share of voice fits with other metrics
Share of voice is a summary. On its own, it hides the detail you need to act.
Pair it with three other views. Mention rate per prompt shows exactly where you are missing. Citation share shows whether answers link to your pages. Sentiment shows whether mentions are helping or hurting.
Then connect it to real outcomes where you can. Referral visits from AI tools in Google Analytics 4 are one clue. Enquiries that mention an AI tool are another.
Questions people ask
What is a good AI share of voice?
There is no universal benchmark. It depends on your niche and how many competitors you track. Compare yourself with your own trend and with the rivals you chose.
Is AI share of voice the same as SEO share of voice?
No. SEO share of voice usually estimates your share of search clicks from rankings. AI share of voice counts mentions inside AI answers.
Should prompts that include my brand name count?
Track them, but report them separately. Branded prompts tell you how AI describes you. They say little about whether buyers discover you.
How many prompts do I need?
Enough to cover your main buying questions without padding. A few dozen well-chosen prompts is a practical start for most small businesses. Keep the list stable so trends stay comparable.
Why did my share of voice drop when nothing changed on my site?
AI answers shift for reasons outside your site. A platform may update its model, or a competitor may earn new coverage. Check which prompts changed and which sources are now cited.