The most visible B2B email marketing tools on ChatGPT, October 2026

October 2026 · 12 questions asked in English, worldwide · ChatGPT · 24 answers read

Where engines disagree most

One engine

This page reads ChatGPT only. Set Engine to All to compare them.

Brands

Rank Brand Heralded Score Mentioned Recommended By engine Mentioned by Change
– Sender LT Too few answers 0% 0% None First reading
– Shopify Email CA Too few answers 4% 4% First reading
– Shopify Messaging CA Too few answers 8% 8% None First reading
– Substack US Too few answers 8% 4% None First reading
– Twilio SendGrid US Too few answers 0% 0% None First reading
– Zoho Campaigns IN Too few answers 0% 0% None First reading

“=” marks brands whose score ranges overlap, so the test cannot separate them. Every brand named in at least three answers is ranked. By engine has one dot per engine (ChatGPT, Google AI Overviews, Gemini and Google AI Mode), darker the more often it names the brand.

Most cited sources

Rank Source Type Cited in Engines Pages cited Brands its pages mention
1 activecampaign.com Brand site 41.7% 1 of 4 7 9
2 hubspot.com Brand site 29.2% 1 of 4 11 10
3Withheld. Run a full Snapshot to see it.
4Withheld. Run a full Snapshot to see it.
5 omnisend.com Brand site 16.7% 1 of 4 6 4
6Withheld. Run a full Snapshot to see it.
7Withheld. Run a full Snapshot to see it.
8Withheld. Run a full Snapshot to see it.
9Withheld. Run a full Snapshot to see it.
10Withheld. Run a full Snapshot to see it.

The questions, and who wins each

QuestionLanguageWins it
email marketing software with the best support English ActiveCampaign and Kit, tied
which email marketing software do experts recommend English ActiveCampaign, Brevo, Kit, Klaviyo, Mailchimp and MailerLite, tied

Each engine's top three

Method

Each month Heralded asks every engine the same buyer questions, twice each, and reads every answer. An answer counts 0 for a brand it leaves out, 50 for a brand it names and 100 for a brand it recommends, and the Heralded Score is built from those. A brand named in at least three answers gets a score and a place.

How the leaderboards are measured