Share of Voice (AI) is the AI-era version of the traditional brand-tracking metric. It measures your percentage of citation slots across AI engine answers for category-relevant queries, compared to competitors.
Practical measurement: pick 20 to 40 representative queries ("best AI CRM for SMBs," "who handles hospice intake software"), run each across ChatGPT, Claude, Perplexity, and Google AI Overviews, count how many citation slots your brand occupies versus competitors. The ratio is your share of voice for that category.
Use Share of Voice (AI) as your relative metric once absolute citation rates plateau. Citation rate measures whether you're cited at all; share of voice measures how dominant you are when cited. Both matter.
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Frequently asked
How do I calculate Share of Voice in AI engines?
Run a fixed set of 20 to 40 category-relevant prompts monthly. Count your brand's citations divided by total citations across all brands in those answers. The percentage is your share of voice.
What's a healthy Share of Voice (AI)?
For SMB categories: 25 to 40%. For enterprise categories with many incumbents: 10 to 20%. Track the trend, not the absolute number on day one.
How do I increase my Share of Voice in AI?
Ship comparison content (/vs/competitor pages), refresh stale content, add FAQ schema to high-value pages, and publish llms.txt with comprehensive coverage. Most teams see 5 to 15 percentage point lift within 90 days.
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