MailjetDesign, deliver, and automate marketing and transactional emails together
vs
SenderEmail marketing, automation and transactional emails for growing businesses
Comparison · Email Marketing · weekly run Nov 2
Mailjet vs Sender
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Sender is the stronger AI pick in Email Marketing: it has a visibility score of 13.9 versus 3.8 for Mailjet, and ranks ahead in 100% of the answers that name both.
Choose Mailjet if…
- You need ISO 27001 or ISO 27701 or SOC 2 or GDPR or CCPA or PCI DSS or CSA STAR Level 1 or HIPAA or Certified Senders Alliance coverage
- You prefer a larger, established vendor (51–200 employees)
- straightforward annual pricing discount
Choose Sender if…
- You want the brand AI engines rank higher (13.9 vs 3.8)
- AI answers describe it more positively (73% vs 0% positive)
- Generous free plan limits
- High-value feature set for budget campaigns
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Mailjet | Sender |
|---|---|---|
| Visibility score | 3.8% | 13.9% |
| Change vs last week | New | New |
| Rank in Email Marketing | #19 | #9 |
| Share of voice | 1.7% | 3.7% |
| Mentions this run | 9 | 18 |
| Positive in AI answers | 0% | 73% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Mailjet 0pp · Sender 0pp over 0 weekly runs.
Engine by engine
Sender leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
MailjetSender
Head to head in AI answers
1 engine answers name both brands
0Mailjet ranked higher
1Sender ranked higher
| Prompt | Engine | Mailjet | Sender |
|---|---|---|---|
| Most affordable email marketing platform that is still reliable | Perplexity | #6 | #5 |
Features, pricing & fit
| Dimension | Mailjet | Sender |
|---|---|---|
| Pricing model | Flat tiers | Flat tiers |
| Entry price | Free; paid from $9 / mo | Free; paid from $9 / mo |
| Free plan | Yes | Yes |
| Deployment | Cloud-hosted in EU data centers | Cloud |
| Integrations | 100+ | 100+ |
| Compliance | ISO 27001, ISO 27701, SOC 2, GDPR, CCPA, PCI DSS, CSA STAR Level 1, HIPAA, Certified Senders Alliance | — |
| Support | Online support, Priority support (Premium plan), Phone and chat support (from 50k plan), Dedicated Technical Account Manager (Custom plan) | 24/7 email and live chat, Priority support on Professional, Phone support and dedicated success manager on Enterprise |
| Founded | 2010 | 2012 |
| Headquarters | Paris, France | Vilnius, Lithuania |
| Employees | 51–200 | 11–50 |
| Funding | Series Unknown (investment by Entrepreneur Venture, amount undisclosed) | Bootstrapped |
| Best for | Marketing and development teams that want marketing and transactional email on one platform | Small businesses, growing teams, creators and ecommerce brands |
Plans side by side
Mailjet
Free$0month
Starter$9month (8,000 emails/month)
Essential$19month (15,000 emails/month)
Premium$29month (15,000 emails/month)
CustomCustomcustom quote
Sender
Free Forever$0month
Standard$9month (500 subscribers, monthly billing)
Professional$15month (500 subscribers, monthly billing)
EnterpriseCustomcustom
Pros and cons
Themes from the AI answers that mention each brand
Mailjet
- straightforward annual pricing discount
Sender
- Generous free plan limits
- High-value feature set for budget campaigns
- Lowest cost option
- Email automation with segmentation, landing pages and forms
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Mailjet vs Sender”, https://slateindex.ai/compare/mailjet-vs-sender, data of Nov 2, 2026. Licence: CC BY 4.0.