What is the best consumer email & cloud storage platform in 2026?

Based on Catalyst's AI search analysis across ChatGPT, Claude, Gemini, and Perplexity, the top three consumer email & cloud storage platforms by voice share are 1) Gmx (69.6% voice share), 2) Infomaniak (60.9% voice share), 3) Proton (56.5% voice share). Voice share measures how often each vendor is mentioned when buyers ask AI for category recommendations.

Which consumer email & cloud storage vendor is most cited by AI assistants?

Gmx leads consumer email & cloud storage AI citations with 69.6% voice share. When buyers ask ChatGPT, Claude, Gemini, or Perplexity for consumer email & cloud storage recommendations, Gmx is named in roughly 69.6 of every 100 responses.

How does Catalyst measure AI voice share for consumer email & cloud storage vendors?

Catalyst runs 80 standardized buyer-intent queries against ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews. Each query is asked in a fresh session with two buyer personas (decision-maker and practitioner). Voice share = percentage of responses that name each vendor. Full methodology at gotcatalyst.com/aeo-methodology.

AI Voice Share Landscape

Consumer Email & Cloud Storage

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

Last measured October 1, 2026 · Methodology

AI Voice Share Leaderboard

Gmx69.6%

Infomaniak60.9%

Proton56.5%

Outlook45.7%

Gmail41.3%

Bluewin34.8%

Yahoo30.4%

Web17.4%

Mail17.4%

Swisscom8.7%

Mail6.5%

Mail4.3%

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 consumer email & cloud storage vendors

B2B buyers increasingly start vendor research in AI engines. When a buyer asks ChatGPT or Perplexity which consumer email & cloud storage 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 12 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.