September 2026 snapshot · 72 AI answers Contested

Email Marketing: AI Visibility Ranking

Platforms for newsletters, campaigns, and lifecycle email. Right now, Mailchimp is the brand AI assistants recommend most, with a Visibility Score of 50 and the #1 spot in 21% of answers. Head-to-head: Mailchimp vs Klaviyo →

These rankings are measured from what the three models know from training, not a live web search. When the models DO search the web, see which sources they cite. Methodology.

Email marketing AI visibility has no clear front-runner yet.

Mailchimp and Klaviyo sit within half a point of each other, and neither has pulled away enough to be called the default recommendation across models. What makes this messier is how differently each model behaves: Claude pushes Mailchimp hard at 79 while nearly ignoring MailerLite, whereas ChatGPT and Gemini favor MailerLite at 53 and 51 respectively. Kit is a quiet anomaly, mentioned in 54% of answers but never picked first, meaning the models treat it as a supporting reference rather than a lead suggestion.

AI-generated analysis of the September 2026 measurements.

#	Brand	Visibility Score	Trend (3 mo)	Mention rate	Avg. position	#1 pick rate	Models
1	Mailchimp	50 ±4.4	flat	60%	2.6	21%	ChatGPT #3 Claude #1 Gemini #6
2	Klaviyo	50 ±2.9	flat	56%	2.1	28%	ChatGPT #2 Claude #2 Gemini #2
3	MailerLite	43 ±4.9	flat	53%	2.8	17%	ChatGPT #1 Claude #7 Gemini #1
4	Kit	38 ±4.8	flat	54%	4.1	0%	ChatGPT #4 Claude #4 Gemini #3
5	Brevo	32 ±4.2	flat	47%	4.1	6%	ChatGPT #5 Claude #3 Gemini #7
6	ActiveCampaign	26 ±4.3	flat	38%	4.0	6%	ChatGPT #6 Claude #6 Gemini #5
7	HubSpot	23 ±3.9	flat	35%	4.3	1%	ChatGPT #7 Claude #5 Gemini #11
8	Beehiiv	21 ±5.5	flat	29%	3.9	1%	ChatGPT #9 Claude #8 Gemini #4
9	Omnisend	16 ±3.5	flat	24%	4.3	0%	ChatGPT #8 Claude #9 Gemini #8
10	Salesforce Marketing Cloud	13 ±1.1	flat	15%	2.4	13%	ChatGPT #10 Claude #10 Gemini #9
11	Google Workspace	10 ±2.1	▲ 3	11%	1.8	8%	ChatGPT #11 Claude #13 Gemini #10
12	Braze	8 ±1.1	flat	14%	5.1	0%	ChatGPT #14 Claude #12 Gemini #13
13	EmailOctopus	8 ±1	▲ 3	13%	4.8	0%	ChatGPT #13 Claude #14 Gemini #14
14	Microsoft 365	8 ±0	▲ 1	8%	2.0	0%	ChatGPT #12 Claude Gemini #12
15	Adobe Campaign	6 ±3.1	flat	7%	2.4	0%	ChatGPT #15 Claude #11 Gemini #15

The ± under each score is the reliability band: how much the number would move if we re-ran the identical measurement. It is tight because each prompt is sampled multiple times. It is not the same as how much the ranking depends on which prompts we ask — a separate, wider figure shown on hover.

Just below the cutoff: Moosend (5.6), Zoho Mail (5.6), Marketo (5.4), Drip (5.1), Oracle Eloqua (5.1). 51 brands were scored in this category; the leaderboard shows the top 15.

Visibility Score: position-weighted presence across all measured answers, 0 to 100. A score of 100 means the brand was the first recommendation in every answer. Every point in a trend line is a live monthly measurement; there is no modeled or backfilled history. Full methodology.

Openness 50/100: the share of this category's recommendation weight not held by the leader.

Compare brands in Email Marketing head-to-head → · Explore the prompt tree →

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Do the models agree?

Per-model Visibility Scores for the top 10. A long gray bar means the three assistants disagree about the brand. Hover a row for exact values.

ChatGPT Claude Gemini

Where they land in the answer

When a brand is mentioned, where does it appear? Box shows the middle 50% of positions, the thick line is the median, whiskers are the extremes. Hover a row for the detail.