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Share of AI Voice

Also known as: SOAV, AI share of voice, Share of model

Share of AI Voice is the percentage of brand mentions across a tracked prompt set that belong to your brand rather than a competitor.

Share of AI Voice (SOAV) is the AI-answer equivalent of share of search. You define a prompt set your buyers actually type, run it against ChatGPT, Google Gemini, and other assistants on a schedule, count every brand named in each answer, and express your brand's mentions as a share of the total.

The formula is deliberately simple: your mentions divided by all brand mentions in the window, expressed as a percentage. What makes it credible is the discipline around it — a fixed prompt set, a declared competitor set, a stated window, and stored provider responses so any number can be traced back to the answer that produced it.

SOAV is read alongside two companion measures. Prompt win rate is the share of tracked prompts where you appear at all, which isolates coverage from volume. Domain citations count how often your URLs are cited as sources, which isolates authority from name recognition. A brand can be mentioned often and cited rarely; the gap usually points at missing structured data or unquotable pages rather than a positioning problem.

Treat SOAV as a trend, not a snapshot. Assistants are non-deterministic, so single runs move for reasons that have nothing to do with your site. Rolling 30- and 90-day windows over an unchanged prompt set are what make a movement real.

Frequently asked questions

How is Share of AI Voice calculated?

Count every brand mention across all tracked prompt runs in the window, then divide your brand's mentions by that total. AgenticSEO computes this per rolling 30-day and 90-day window against the competitor set you declare, and stores each provider response so the figure is auditable.

What is a good Share of AI Voice?

It depends on how many credible players your category has. In a category with five real alternatives, an even split is 20%, so anything above that is outperformance. The useful benchmark is your own trend and your gap to the leading competitor, not an absolute number.

Is Share of AI Voice the same as citation rate?

No. Citation rate measures how often answers cite your pages as sources. Share of AI Voice measures how much of the total brand conversation in those answers is yours. You can lead on mentions while trailing on citations, which usually indicates a structured-data or answer-readiness problem.

Related terms

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Share of AI Voice is measured and fixed inside the agentic SEO platform — an AI visibility platform for answer engines.

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AI visibility resources

The guides, comparisons, and free tools behind AgenticSEO.

Best AEO tools (2026)Buyer's guide comparing nine answer-engine optimization vendors on tracking, execution, publishing, and pricing transparency.AI Visibility Tools MatrixMaintained matrix of measurement-only versus execution-layer platforms across twelve capabilities, with sources and a last-updated date.Profound alternativeWhere Profound stops at measurement and what an execution layer adds: generated schema, FAQ drafts, and approved publishing.Semrush AI Visibility alternativeSemrush reports AI mentions; AgenticSEO fixes the pages behind them. Feature-by-feature comparison with pricing notes.AgenticSEO alternativesAn honest list of alternatives to AgenticSEO and TGP Agentic SEO, with the buyer profile each one actually fits.AI visibility platform for agenciesClient-scoped websites, white-label AI visibility reports, per-client audit schedules, and API access for agency teams.Best AI visibility tools for agenciesWhat agencies should require: multi-client scoping, white-label output, publishing rights, and defensible measurement.AI visibility trackingHow to measure Share of AI Voice on a weekly cadence, with the formula, competitor set, and per-engine rollup.Auto-publishing SEO updatesHow approved SEO and schema fixes reach WordPress, HubSpot, Webflow, and GitHub-hosted sites without manual copy-paste.Fix AI visibility automaticallyThe seven-step audit-to-publish loop, what the agent does unattended, and which steps still need a human decision.Agentic SEO architectureWhitepaper on the six components of an agentic SEO system, from crawl diagnostics to publish verification.FAQ schema generatorPaste your questions and answers, get valid FAQPage JSON-LD you can drop straight into a page head.