Top tools in 2026 · Prompt 3 of 8 · September 2026

A real buyer question from the September 2026 snapshot, asked 3× to each of the three models. 9 answers recorded.

“What are the top email marketing tools in 2026?”

ChatGPT answered 3× this snapshot

Here are the top email marketing tools in 2026, grouped by what they’re best at: Best overall ActiveCampaign Strong automation and segmentation Built-in CRM features Great for growing businesses that want advanced customer journeys Klaviyo Top choice for ecommerce Excellent Shopify/WooCommerce integrations Powerful personalization based on purchase behavior HubSpot Marketing Hub Best for businesses wanting email +…

Named across its answers: 1. ActiveCampaign2. Klaviyo3. HubSpot4. Brevo5. Kit

Verbatim excerpt from one collected ChatGPT answer; formatting flattened, words untouched.

Klaviyo dominates this question with a perfect 9-of-9 mention rate and an average position of 1.7, well ahead of HubSpot at 2.8, signaling strong AI consensus around Klaviyo as the default first answer. The Mailchimp gap matters because Claude consistently surfaces it while Gemini never does, showing buyers get a different competitive picture depending on which AI they consult.

AI-generated read of the September 2026 measurements.

Who wins this question

Contested Consensus

All three models name ActiveCampaign, Klaviyo, HubSpot, Brevo and Kit on this question.

ChatGPT

Claude

Gemini mentioned · first · avg. pos

Klaviyo 213222111 9/9 · 4× first · #1.7

HubSpot 331333333 9/9 · 1× first · #2.8

ActiveCampaign 14444446 8/9 · 1× first · #3.9

Kit 89855544 8/9 · never first · #6

Brevo 511566656 8/9 · never first · #6.3

Beehiiv 7878222 7/9 · never first · #5.1

Mailchimp 221116 6/9 · 3× first · #2.2

Constant Contact 6677 4/9 · never first · #6.5

MailerLite 4105 3/9 · never first · #6.3

Omnisend 678 3/9 · never first · #7

Drip 79 2/9 · never first · #8

Customer.io 5 1/9 · never first · #5

Each square is one collected answer; the number is the brand's position in that answer. Lime = the very first recommendation. Unlinked brands were named by the models here but sit outside this category's published top 15 overall. Showing the top 12 of 21 brands named at least once. Never mentioned here: Google Workspace, EmailOctopus, Microsoft 365, Adobe Campaign.