Arbor visibility index
Best email marketing platforms — AI visibility, May 2026
Best email marketing platforms · 5/6/2026 → 5/8/2026 · 50 buyer-intent prompts · 10 companies ranked
TL;DR
Mailchimp leads the Best Email Marketing Platforms index, showcasing a strong presence with 29 mentions. ActiveCampaign follows closely, indicating a healthy competition in the space.
Full ranking
| # | Company | Mentions | Citation rate | Momentum |
|---|---|---|---|---|
| 1 | Mailchimp | 29 | 58% | — |
| 2 | ActiveCampaign | 25 | 50% | — |
| 3 | GetResponse | 23 | 46% | — |
| 4 | ConvertKit | 18 | 36% | — |
| 5 | MailerLite | 14 | 28% | — |
| 6 | Campaign Monitor | 11 | 22% | — |
| 7 | Klaviyo | 7 | 14% | — |
| 8 | Beehiiv | 0 | 0% | — |
| 9 | Customer.io | 0 | 0% | — |
| 10 | Resend | 0 | 0% | — |
About this category
The category of email marketing platforms encompasses tools designed to facilitate the creation, management, and analysis of email campaigns. AI-generated insights typically highlight key features such as automation, user-friendly interfaces, and data analytics as crucial for buyer decision-making. These platforms are often segmented by their suitability for various user needs, including small businesses, e-commerce, and startups. Overall, buyers are inquiring about top-rated solutions that can enhance engagement and performance through advanced functionalities.
What AI says about the leaders
Rank #1
Mailchimp
Mailchimp dominates the landscape with a high citation rate of 58%. It is frequently mentioned for its user-friendly interface, diverse features, and strong automation capabilities.
Rank #2
ActiveCampaign
ActiveCampaign is recognized for its robust automation features, appealing to various market segments for those seeking advanced capabilities in email marketing.
Rank #3
GetResponse
GetResponse is noted for its effectiveness in catering to both small businesses and more advanced marketing needs, highlighting its versatility in the email marketing space.
Rank #4
ConvertKit
ConvertKit garners mentions for its intuitive design tailored towards creators and bloggers, indicating its niche appeal among users focused on content creation.
Rank #5
MailerLite
MailerLite appears in several assessments, underlining its affordability and robust features suitable for a variety of users, particularly small businesses.
How AI was asked
Verbatim excerpts from the audits that fed this ranking. Quotes are not edited; we only trim length.
Prompt
Which email marketing tools offer the best automation features?
What gpt-4o-mini answered
“Here are some of the best options: 1. **Mailchimp**: Known for its user-friendly interface, Mailchimp offers advanced automation capabilities, including triggered emails based on customer behavior, segmented workflows,…”
Mentioned: Mailchimp, MailerLite, ActiveCampaign, GetResponse, ConvertKit, Klaviyo
Prompt
Best email marketing solutions for e-commerce businesses?
What gpt-4o-mini answered
“Here are some of the best options: 1. **Klaviyo**: - **Features**: Advanced segmentation, automation, A/B testing, personalization,…”
Mentioned: Mailchimp, MailerLite, ActiveCampaign, GetResponse, Klaviyo
Prompt
Mailchimp vs Constant Contact: which is better for email marketing?
What gpt-4o-mini answered
“Here's a comparison of key areas: ### 1. **User Interface and Usability** - **Mailchimp**: Known for its intuitive and user-friendly interface.”
Mentioned: Mailchimp
Methodology
Aggregated from a single Arbor competitive audit run on this category. Companies are ranked by how often AI assistants surfaced them in response to buyer-intent prompts.
Where does YOUR company rank?
This index is aggregated. Get a per-company AI visibility report — how Claude and ChatGPT describe your brand specifically, plus what your competitors are getting cited for.