AI assistants most often recommend Mailchimp for cold email software in 🇬🇧 United Kingdom (English), naming it in 100% of the buyer questions we tested, followed by Hubspot and Constant Contact. We asked an AI model the questions buyers ask about cold email software and tallied which brands it named most — "share of voice" in AI answers, who AI recommends when no human is watching.
| # | Brand | AI share of voice |
|---|---|---|
| 1 | Mailchimp | 6/6 (100%) |
| 2 | Hubspot | 6/6 (100%) |
| 3 | Constant Contact | 3/6 (50%) |
| 4 | MailerLite | 2/6 (33%) |
| 5 | Mailjet | 2/6 (33%) |
| 6 | Sendinblue | 2/6 (33%) |
Method: 6 representative buyer questions via a large language model, 🇬🇧 United Kingdom (English). Updated 6/15/2026. A proxy for how AI assistants describe this category.
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