AI assistants most often recommend Mailchimp for email marketing platforms in 🇺🇸 United States (English), naming it in 100% of the buyer questions we tested, followed by Constant Contact and HubSpot. We asked an AI model the questions buyers ask about email marketing platforms 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 | Constant Contact | 6/6 (100%) |
| 3 | HubSpot | 6/6 (100%) |
| 4 | Klaviyo | 1/6 (17%) |
Method: 6 representative buyer questions via a large language model, 🇺🇸 United States (English). Updated 6/9/2026. A proxy for how AI assistants describe this category.
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