KlaviyoKlaviyo is the autonomous CRM for B2C brands, built to turn what you know about your customers into real growth.

MailjetDesign, deliver, and automate marketing and transactional emails together

Comparison · Email Marketing · weekly run Nov 2

Klaviyo vs Mailjet

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 3.8 for Mailjet, and ranks ahead in 83% of the answers that name both.

Choose Klaviyo if…

You want the brand AI engines rank higher (24 vs 3.8)
You need more native integrations (400+ vs 100+)
AI answers describe it more positively (55% vs 0% positive)
You need SOC 2 Type II or ISO 27017 coverage

Choose Mailjet if…

You need ISO 27701 or SOC 2 or GDPR or CCPA or PCI DSS or CSA STAR Level 1 or HIPAA or Certified Senders Alliance coverage
Flat tiers pricing suits your budget better than usage-based
straightforward annual pricing discount

AI visibility side by side

Latest weekly run · Nov 2

Metric	Klaviyo	Mailjet
Visibility score	24%	3.8%
Change vs last week	New	New
Rank in Email Marketing	#6	#19
Share of voice	6.4%	1.7%
Mentions this run	33	9
Positive in AI answers	55%	0%

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

Visibility score trend

Weekly runs over the last 60 days

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

Engine by engine

Klaviyo leads on 3 of 3 engines

ChatGPT

29.1%

0.9%

AI Mode

19.6%

1.1%

Perplexity

23.3%

9.3%

KlaviyoMailjet

Head to head in AI answers

6 engine answers name both brands

5Klaviyo ranked higher

1Mailjet ranked higher

Prompt	Engine	Klaviyo	Mailjet
Compare the leading Email Marketing platforms	Perplexity	#5	#14
Alternatives to the most popular email marketing platform	Perplexity	#4	#12
Which Email Marketing vendors do analysts recommend?	Perplexity	#5	#11
Which Email Marketing tools offer annual discounts?	AI Mode	#8	#7
Official website of the top email marketing platform vendors	ChatGPT	#3	#22
Who makes the most used email marketing platform?	Perplexity	#2	#5

Features, pricing & fit

Dimension	Klaviyo	Mailjet
Pricing model	Usage-based	Flat tiers
Entry price	Contact sales	Free; paid from $9 / mo
Free plan	Yes	Yes
Deployment	—	Cloud-hosted in EU data centers
Integrations	400+	100+
Compliance	SOC 2 Type II, ISO 27001, ISO 27017	ISO 27001, ISO 27701, SOC 2, GDPR, CCPA, PCI DSS, CSA STAR Level 1, HIPAA, Certified Senders Alliance
Support	Email support, Help Center and documentation, Klaviyo Academy courses, Klaviyo Community	Online support, Priority support (Premium plan), Phone and chat support (from 50k plan), Dedicated Technical Account Manager (Custom plan)
Founded	2012	2010
Headquarters	Boston, MA, United States	Paris, France
Employees	1,001–5,000	51–200
Funding	IPO	Series Unknown (investment by Entrepreneur Venture, amount undisclosed)
Best for	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.	Marketing and development teams that want marketing and transactional email on one platform