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Which email marketing brands AI answers recommend

Every week we ask 200 buyer questions, the way people really ask them, and count which brands the answers name and which sites they cite.

Week 40, Sep 28 - Oct 4, 2026 (latest) Updated 3 of 3 engines published Methodology

Named most often

Mailchimp

in 40% of answers across the published engines

Site AI cites most

youtube.com

4.3% of all citations, a video and other

Top 10 brands, all engines

Share of answers that name the brand, across ChatGPT, Gemini, Google AI Overviews. The small figure is the change in points vs the previous week.

  1. 1 Mailchimp 40%
  2. 2 MailerLite 35%
  3. 3 Brevo 34%
  4. 4 Klaviyo 33%
  5. 5 ActiveCampaign 31%
  6. 6 Kit (ConvertKit) 22%
  7. 7 HubSpot 22%
  8. 8 Omnisend 17%
  9. 9 beehiiv 12%
  10. 10 Constant Contact 11%
Embed 
<iframe src="https://ujeebu.com/ai-index/email-marketing/embed/overall" width="100%" height="520" style="border:0" loading="lazy" title="Top email marketing brands in AI answers"></iframe>
<p style="font-size:12px">Chart: <a href="https://ujeebu.com/ai-index/email-marketing?utm_source=embed&amp;utm_medium=referral&amp;utm_campaign=ai-index&amp;utm_content=embed-attribution">Top email marketing brands in AI answers, Ujeebu AI Citation Index</a> (CC BY 4.0). Powered by <a href="https://ujeebu.com/?utm_source=embed&amp;utm_medium=referral&amp;utm_campaign=ai-index&amp;utm_content=powered-by">Ujeebu</a></p>

Top 10 by engine

Each engine answers differently. The bar is the share of that engine's answers naming the brand; the thin line is the likely range (95%): ask the same questions again and the number would probably land inside it.

Gemini

199 answers, 100% of prompts collected

  1. 1 Mailchimp 44% Likely range 37% to 51%
  2. 2 ActiveCampaign 38% Likely range 31% to 45%
  3. 3 MailerLite 36% Likely range 30% to 43%
  4. 4 Klaviyo 36% Likely range 29% to 43%
  5. 5 Brevo 35% Likely range 29% to 42%
  6. 6 Kit (ConvertKit) 25% Likely range 19% to 31%
  7. 7 HubSpot 24% Likely range 18% to 30%
  8. 8 Omnisend 21% Likely range 16% to 27%
  9. 9 beehiiv 14% Likely range 9% to 19%
  10. 10 Substack 11% Likely range 7% to 16%
Full table
Gemini, Week 40, Sep 28 - Oct 4, 2026
BrandNamed inRangeAvg positionShare of voicevs last week
Mailchimp 87 / 199 (44%) 37%-51% 3.0 10.5% n/a
ActiveCampaign 75 / 199 (38%) 31%-45% 2.2 9.0% n/a
MailerLite 72 / 199 (36%) 30%-43% 2.3 8.7% n/a
Klaviyo 71 / 199 (36%) 29%-43% 2.0 8.6% n/a
Brevo 70 / 199 (35%) 29%-42% 2.8 8.4% n/a
Kit (ConvertKit) 49 / 199 (25%) 19%-31% 2.5 5.9% n/a
HubSpot 47 / 199 (24%) 18%-30% 2.4 5.7% n/a
Omnisend 42 / 199 (21%) 16%-27% 2.1 5.1% n/a
beehiiv 27 / 199 (14%) 9%-19% 2.1 3.3% n/a
Substack 22 / 199 (11%) 7%-16% 2.2 2.7% n/a
Embed 
<iframe src="https://ujeebu.com/ai-index/email-marketing/embed/gemini" width="100%" height="520" style="border:0" loading="lazy" title="Top email marketing brands on Gemini"></iframe>
<p style="font-size:12px">Chart: <a href="https://ujeebu.com/ai-index/email-marketing?utm_source=embed&amp;utm_medium=referral&amp;utm_campaign=ai-index&amp;utm_content=embed-attribution">Top email marketing brands on Gemini, Ujeebu AI Citation Index</a> (CC BY 4.0). Powered by <a href="https://ujeebu.com/?utm_source=embed&amp;utm_medium=referral&amp;utm_campaign=ai-index&amp;utm_content=powered-by">Ujeebu</a></p>

Google AI Overviews

200 answers, 100% of prompts collected. Google AI Overviews appeared on 100% of searches

  1. 1 MailerLite 40% Likely range 33% to 47%
  2. 2 Mailchimp 34% Likely range 27% to 40%
  3. 3 Brevo 31% Likely range 25% to 38%
  4. 4 Klaviyo 30% Likely range 24% to 36%
  5. 5 ActiveCampaign 29% Likely range 23% to 35%
  6. 6 Omnisend 19% Likely range 14% to 25%
  7. 7 Kit (ConvertKit) 18% Likely range 13% to 24%
  8. 8 HubSpot 17% Likely range 12% to 22%
  9. 9 Constant Contact 15% Likely range 11% to 21%
  10. 10 beehiiv 11% Likely range 7% to 16%
Full table
Google AI Overviews, Week 40, Sep 28 - Oct 4, 2026
BrandNamed inRangeAvg positionShare of voicevs last week
MailerLite 80 / 200 (40%) 33%-47% 2.7 10.9% n/a
Mailchimp 67 / 200 (34%) 27%-40% 2.1 9.2% n/a
Brevo 62 / 200 (31%) 25%-38% 2.5 8.5% n/a
Klaviyo 59 / 200 (30%) 24%-36% 2.2 8.1% n/a
ActiveCampaign 57 / 200 (29%) 23%-35% 2.4 7.8% n/a
Omnisend 38 / 200 (19%) 14%-25% 2.5 5.2% n/a
Kit (ConvertKit) 36 / 200 (18%) 13%-24% 2.6 4.9% n/a
HubSpot 33 / 200 (17%) 12%-22% 2.6 4.5% n/a
Constant Contact 30 / 200 (15%) 11%-21% 3.1 4.1% n/a
beehiiv 21 / 200 (11%) 7%-16% 1.5 2.9% n/a
Embed 
<iframe src="https://ujeebu.com/ai-index/email-marketing/embed/google_aio" width="100%" height="520" style="border:0" loading="lazy" title="Top email marketing brands on Google AI Overviews"></iframe>
<p style="font-size:12px">Chart: <a href="https://ujeebu.com/ai-index/email-marketing?utm_source=embed&amp;utm_medium=referral&amp;utm_campaign=ai-index&amp;utm_content=embed-attribution">Top email marketing brands on Google AI Overviews, Ujeebu AI Citation Index</a> (CC BY 4.0). Powered by <a href="https://ujeebu.com/?utm_source=embed&amp;utm_medium=referral&amp;utm_campaign=ai-index&amp;utm_content=powered-by">Ujeebu</a></p>

ChatGPT (search)

200 answers, 100% of prompts collected

  1. 1 Mailchimp 43% Likely range 36% to 50%
  2. 2 Brevo 37% Likely range 31% to 44%
  3. 3 Klaviyo 34% Likely range 28% to 41%
  4. 4 MailerLite 28% Likely range 22% to 35%
  5. 5 ActiveCampaign 26% Likely range 20% to 32%
  6. 6 HubSpot 26% Likely range 20% to 32%
  7. 7 Kit (ConvertKit) 24% Likely range 19% to 30%
  8. 8 beehiiv 12% Likely range 8% to 17%
  9. 9 Omnisend 12% Likely range 8% to 17%
  10. 10 Amazon SES 11% Likely range 7% to 16%
Full table
ChatGPT (search), Week 40, Sep 28 - Oct 4, 2026
BrandNamed inRangeAvg positionShare of voicevs last week
Mailchimp 86 / 200 (43%) 36%-50% 3.5 11.6% n/a
Brevo 74 / 200 (37%) 31%-44% 2.6 10.0% n/a
Klaviyo 68 / 200 (34%) 28%-41% 2.7 9.2% n/a
MailerLite 56 / 200 (28%) 22%-35% 2.5 7.6% n/a
ActiveCampaign 51 / 200 (26%) 20%-32% 2.7 6.9% n/a
HubSpot 51 / 200 (26%) 20%-32% 3.0 6.9% n/a
Kit (ConvertKit) 48 / 200 (24%) 19%-30% 2.4 6.5% n/a
beehiiv 24 / 200 (12%) 8%-17% 2.1 3.2% n/a
Omnisend 24 / 200 (12%) 8%-17% 2.6 3.2% n/a
Amazon SES 21 / 200 (11%) 7%-16% 2.3 2.8% n/a
Embed 
<iframe src="https://ujeebu.com/ai-index/email-marketing/embed/chatgpt" width="100%" height="520" style="border:0" loading="lazy" title="Top email marketing brands on ChatGPT (search)"></iframe>
<p style="font-size:12px">Chart: <a href="https://ujeebu.com/ai-index/email-marketing?utm_source=embed&amp;utm_medium=referral&amp;utm_campaign=ai-index&amp;utm_content=embed-attribution">Top email marketing brands on ChatGPT (search), Ujeebu AI Citation Index</a> (CC BY 4.0). Powered by <a href="https://ujeebu.com/?utm_source=embed&amp;utm_medium=referral&amp;utm_campaign=ai-index&amp;utm_content=powered-by">Ujeebu</a></p>

Which sites AI trusts

The 10 domains cited most often as sources in these answers, as a share of all citations. Brands rarely win on their own site: the answers lean on review sites, forums and media.

  1. 1 youtube.com Video and other 4.3%
  2. 2 mailchimp.com Brand site 4.1%
  3. 3 mailerlite.com Brand site 3.3%
  4. 4 sequenzy.com Brand site 3.3%
  5. 5 constantcontact.com Brand site 2.8%
  6. 6 beehiiv.com Brand site 2.4%
  7. 7 klaviyo.com Brand site 2.4%
  8. 8 reddit.com Forum 2.3%
  9. 9 activecampaign.com Brand site 2.3%
  10. 10 kit.com Brand site 2.1%
By engine
DomainType ChatGPTGeminiGoogle AI Overviews
youtube.comVideo and other n/a0.2%12.6%
mailchimp.comBrand site 8.6%1.7%2.2%
mailerlite.comBrand site 5.5%2.3%2.2%
sequenzy.comBrand site 0.3%5.5%4.0%
constantcontact.comBrand site 3.0%2.3%3.0%
beehiiv.comBrand site 4.6%1.7%1.0%
klaviyo.comBrand site 4.8%1.5%0.9%
reddit.comForum n/a1.2%5.7%
activecampaign.comBrand site 4.8%1.0%1.0%
kit.comBrand site 4.0%1.5%0.7%
Embed 
<iframe src="https://ujeebu.com/ai-index/email-marketing/embed/domains" width="100%" height="520" style="border:0" loading="lazy" title="Sites AI cites for email marketing"></iframe>
<p style="font-size:12px">Chart: <a href="https://ujeebu.com/ai-index/email-marketing?utm_source=embed&amp;utm_medium=referral&amp;utm_campaign=ai-index&amp;utm_content=embed-attribution">Sites AI cites for email marketing, Ujeebu AI Citation Index</a> (CC BY 4.0). Powered by <a href="https://ujeebu.com/?utm_source=embed&amp;utm_medium=referral&amp;utm_campaign=ai-index&amp;utm_content=powered-by">Ujeebu</a></p>

Weekly movers

The largest changes vs the previous week, from last week's share (hollow dot) to this week's. One week can be noise: a move is clear only when this week's range and last week's do not overlap.

All weekly notes

First week: movers appear from the second published week.

About this week's data

Prompts
200: 80 recommendation, 50 problem-led, 40 comparison, 30 price
Runs
Once per engine per week, in US English
Collected
Oct 2, 2026 to Oct 2, 2026
Checked by hand
15 answers, 0 with errors

Brand names are reported as they appear in answers. How we collect and count: methodology. Spotted an error? Tell us. Data licensed CC BY 4.0.

We make every effort to find high-quality data sources, but this data comes from AI engine answers collected from the open web and we cannot guarantee its accuracy, completeness or reliability. Use it at your own risk.

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