Elastic Email vs Mailjet

as AI assistants see them, week of 2026-09-28

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Elastic Email and Mailjet both show up rarely when AI assistants talk email APIs, but Mailjet edges ahead. Elastic Email scores 5 overall (0 ChatGPT, 3 Claude, 12 Perplexity) and is named in 4 of 62 answers, mostly for cheap high-volume sending, including 2 of 3 answers on the cheapest way to send transactional email at scale. Mailjet scores 9 overall (7 ChatGPT, 12 Claude, 7 Perplexity), named in 8 of 62 answers, and sweeps all 3 answers on EU data hosting. Head-to-head, Mailjet leads in 5 questions versus Elastic Email's 3, with 12 ties.

Head to head

metric	Elastic Email	Mailjet
score	5	9
questions won	3	5

By assistant

Elastic Email

assistant	score	named in, this week	usual spot, this week
ChatGPT	0	0% of answers
Claude	3	5% of answers	#7.0
Gemini	not sampled this week
Perplexity	12	15% of answers	#3.0

Mailjet

assistant	score	named in, this week	usual spot, this week
ChatGPT	7	10% of answers	#3.5
Claude	12	20% of answers	#5.8
Gemini	not sampled this week
Perplexity	7	10% of answers	#3.5

Where they differ

Only Elastic Email gets named for

What's the cheapest way to send transactional email at scale?
What's the best transactional email provider for high volume at low cost?
What's the best email API that also handles marketing campaigns?

Only Mailjet gets named for

What's the best email API for a European company that needs EU data hosting?
Which email API has the best free tier?
Which transactional email service is best for a startup?
What's the best alternative to SendGrid?
What's the best email API in 2026?

More comparisons

Not sold on either?

Scores count how often each assistant names a product, weighted by position. How the score works · Full Transactional email APIs leaderboard