AI Voice Share Landscape

AI Email & Inbox Automation

Which vendors are being cited in AI answers when buyers research ai email & inbox automation? Data from 80 AI queries across ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews.

Last measured May 19, 2026 · Methodology

AI Voice Share Leaderboard

1
Superhuman37%
2
Superhuman37%
3
Gmelius24%
4
Shortwave23%
5
Missive14%
6
Mailbutler11%
7
Boomerang6%
8
Clarityinbox0%

Voice share = % of AI answers that mentioned each vendor across 80 buyer-intent queries. Pipeline estimate based on category query volume × citation CTR (2.5%) × opportunity rate (5%) × estimated ACV. For context only — not audited pipeline figures. Full methodology →

What AI voice share means for ai email & inbox automation vendors

B2B buyers increasingly start vendor research in AI engines. When a buyer asks ChatGPT or Perplexity which ai email & inbox automation vendor to evaluate, the answer shapes their shortlist before they visit a single website. Vendors with high voice share get into consideration sets they didn't have to earn through ads or SEO.

This data is measured via standardized, context-free API calls — the same query sent to each LLM in a fresh session, repeated across 8 buyer-intent prompts. It represents baseline citation behavior, not personalized results.

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Data published by Catalyst GTM. Updated each time a new industry map is rendered. Coefficients and methodology at gotcatalyst.com/aeo-methodology. Voice share is measured at a point in time and does not represent permanent rankings.