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Comparison · Email Marketing · weekly run Nov 2

Epsilon vs Klaviyo

Which one do AI engines recommend, and how do they differ on price, fit and features?

Track both brands

The short answer

Klaviyo is the stronger AI pick in Email Marketing: it has a visibility score of 24 versus 0.9 for Epsilon, and ranks ahead in 0% of the answers that name both.

Choose Epsilon if…

You need SOC 2 audit for parts of the business coverage
You prefer a larger, established vendor (5,000+ employees)
flexible technology for high-volume programs
campaign operations, strategy, and creative services

Choose Klaviyo if…

You want the brand AI engines rank higher (24 vs 0.9)
You need SOC 2 Type II or ISO 27017 coverage
Leading choice for ecommerce, Shopify and online stores
Deep data-driven behavioral automation and predictive analytics

AI visibility side by side

Latest weekly run · Nov 2

Metric	Epsilon	Klaviyo
Visibility score	0.9%	24%
Change vs last week	New	New
Rank in Email Marketing	#35	#6
Share of voice	0.2%	6.4%
Mentions this run	1	33
Positive in AI answers	—	55%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

Epsilon 0pp · Klaviyo 0pp over 0 weekly runs.

Engine by engine

Klaviyo leads on 3 of 3 engines

ChatGPT

29.1%

AI Mode

19.6%

Perplexity

2.6%

23.3%

EpsilonKlaviyo

Head to head in AI answers

1 engine answers name both brands

1Epsilon ranked higher

0Klaviyo ranked higher

Prompt	Engine	Epsilon	Klaviyo
Which Email Marketing vendors do analysts recommend?	Perplexity	#3	#5

Features, pricing & fit

Dimension	Epsilon	Klaviyo
Pricing model	—	Usage-based
Entry price	—	Contact sales
Free plan	—	Yes
Integrations	—	400+
Compliance	ISO 27001, SOC 2 audit for parts of the business	SOC 2 Type II, ISO 27001, ISO 27017
Support	—	Email support, Help Center and documentation, Klaviyo Academy courses, Klaviyo Community
Founded	1969	2012
Headquarters	Irving, Texas, United States	Boston, MA, United States
Employees	5,000+	1,001–5,000
Funding	—	IPO
Best for	Brands that want personalized, omnichannel marketing run at individual level and at scale	Ecommerce and direct-to-consumer brands that want email, SMS and customer data in one platform, from small businesses starting on the free plan to large enterprises.