Head-to-head · July 2026 snapshot

Klaviyo vs Mailchimp

Klaviyo leads overall; Mailchimp still owns the budget conversation. Klaviyo edges ahead with a 50 visibility score versus 46, winning on use-case and 'top tools' questions where buyers signal intent to commit. The gap is driven by ChatGPT and Gemini both preferring Klaviyo, which outweighs Claude's strong lean toward Mailchimp, where Mailchimp scores a striking 73 against Klaviyo's 55.4. Mailchimp holds its ground when buyers frame the question around features or budget, suggesting it still captures the cost-conscious or comparison-shopping moment.

	Klaviyo	Mailchimp
Visibility Score	50	46
Rank in category	#1	#2
Mention rate	57%	53%
#1 pick rate	24%	21%
Avg. position when named	2	2

Who each model prefers

ChatGPT

Klaviyo 45

Mailchimp 41

Claude

Klaviyo 55

Mailchimp 73

Gemini

Klaviyo 48

Mailchimp 23

The models split: ChatGPT prefers Klaviyo, Claude prefers Mailchimp, Gemini prefers Klaviyo.

The shape of the fight

Each axis is one of the 8 measured buyer questions; the further out, the more of that question's answers name the brand. Hover an axis for the raw counts. Single-axis gaps ride on 9 answers each, so read the overall shape, not one spike.

KlaviyoMailchimp

The fight, question by question

Mentions out of 9 answers per question. Click any question for the full transcripts.

Question	Klaviyo	Mailchimp	Edge
Best overallWhat's the best email marketing platform?	9	9	even
Use-case fitWe run an online store and want automated flows like abandoned cart emails. What should we use?	9	7	Klaviyo
Top tools in 2026What are the top email marketing tools in 2026?	9	6	Klaviyo
Startup & small teamWhich email platform is best for a small business just getting started?	4	4	even
Enterprise pickWhich email marketing platform should a large enterprise standardize on, considering security, compliance, and scale?	0	0	even
Feature-led askI want to send a weekly newsletter and simple automations. What do you recommend?	0	5	Mailchimp
If you could pick oneIf you could only pick one email marketing tool, which one and why?	9	5	Klaviyo
Budget & alternativesWhat's the best affordable alternative to the big email marketing platforms?	1	2	Mailchimp

Open this matchup in the compare tool → · Klaviyo brand report · Mailchimp brand report

Measured from 72 fresh answers collected from the models' production APIs in July 2026; rankings change monthly. Neither brand can pay to appear here or to move the numbers. Full recipe on the methodology page.