Vantage research · November 2026 · AI assistants
What AI cites for “best ai tool for writing emails”
ChatGPT cited 10 sites, Gemini cited 6 sites, Perplexity cited 10 sites. No site was cited by all three.
Updated monthlyNext edition 1 December 2026
ChatGPTGeminiPerplexity dots beside a site: the other engines that cite it too
ChatGPT
10 sites · opens with a sentence · no table · opening 24 words
- chatgpt.com
- gemini.google.com
- grammarly.com
- copilot.microsoft.com
- superhuman.com
- shortwave.com
- zapier.com
- itechguides.com
- aigeartools.com
- clean.email
Brands namedChatGPT, Google Gemini, Grammarly, Microsoft Copilot, Superhuman, Shortwave
Gemini
6 sites · opens with a sentence · no table · opening 22 words
- omnisend.com
- migma.ai
- gmelius.com
- marblism.com
- mailerlite.com
- read.ai
Brands namedGoogle Gemini for Gmail, Microsoft 365 Copilot for Outlook, Superhuman, Shortwave, Lavender, Grammarly, ChatGPT
Perplexity
10 sites · opens with a sentence · no table · opening 31 words
- microsoft.com
- omnisend.com
- triedbyhumans.com
- hyperwriteai.com
- emailvendorselection.com
- mailmodo.com
- sparkle.io
- tomba.io
- hostinger.com
- mailerlite.com
Brands namedGmail, Outlook/Microsoft 365
Cited by more than one engine
- omnisend.com
- mailerlite.com
Is your site one of them?
Ask your AI agent to run Vantage's analyze_citation_coverage for your domain and “best ai tool for writing emails”, on all
three engines, and it will tell you whether you are cited, who is instead, and what changed since your last check.
More AI assistants questions
Each engine was asked once, in English, as from the United States, on 2026-11-01. Answers change from run to run, so read this as a snapshot. Download the data.