AI Share of Voice: The Complete Guide
Last updated June 2026 · By Chalam Vatti
AI share of voice is the percentage of AI-generated answers in your category that mention your brand versus competitors — the core KPI for measuring your relative visibility in AI search. If your brand appears in 25% of relevant AI answers and the category leader appears in 60%, that gap is your share-of-voice deficit.
Leaderboard
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ChatGPT3.68%
Perplexity5.73%
Google AIO8.21%How is AI share of voice calculated?
AI SOV = (your mentions ÷ total brand mentions across tracked prompts) × 100. Measure across the same buyer prompts, per engine, for a fair comparison. Try it now with the AI share of voice calculator.
What is a good AI share of voice?
There's no universal number — judge it against your competitors and your trend. Beating your main rivals and rising over time matters more than any absolute figure. In a crowded category, even a modest SOV can lead.
How to improve your AI share of voice
- Find the prompts where competitors are named and you're not.
- Earn citations in the sources AI uses for those prompts.
- Win comparison and "best of" content.
- Track and re-measure.
This is one of several AI visibility KPIs; track it continuously with Siftly's share of voice. Parent guide: AI brand visibility.
Share of voice by engine
Track AI share of voice separately per engine — your ChatGPT SOV may be very different from your Perplexity SOV. Buyers use different engines for different query types, so a platform-specific breakdown shows where you're winning and where you have gaps. Most brands start stronger on one engine and close the gap on others over time as their GEO work compounds.
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