Constant Contact vs Mailjet
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Constant Contact is the stronger AI pick in Email Marketing: it has a visibility score of 18.9 versus 3.8 for Mailjet, and ranks ahead in 100% of the answers that name both.
Choose Constant Contact if…
- You want the brand AI engines rank higher (18.9 vs 3.8)
- AI answers describe it more positively (33% vs 0% positive)
- You prefer a larger, established vendor (1,001–5,000 employees)
- best for small businesses
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
- straightforward annual pricing discount
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Constant Contact | Mailjet |
|---|---|---|
| Visibility score | 18.9% | 3.8% |
| Change vs last week | New | New |
| Rank in Email Marketing | #8 | #19 |
| Share of voice | 5.1% | 1.7% |
| Mentions this run | 26 | 9 |
| Positive in AI answers | 33% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Constant Contact 0pp · Mailjet 0pp over 0 weekly runs.
Engine by engine
Constant Contact leads on 3 of 3 engines
Head to head in AI answers
4 engine answers name both brands
| Prompt | Engine | Constant Contact | Mailjet |
|---|---|---|---|
| Alternatives to the most popular email marketing platform | Perplexity | #11 | #12 |
| Which Email Marketing vendors do analysts recommend? | Perplexity | #8 | #11 |
| Which Email Marketing tools offer annual discounts? | AI Mode | #1 | #7 |
| Official website of the top email marketing platform vendors | ChatGPT | #6 | #22 |
Features, pricing & fit
| Dimension | Constant Contact | Mailjet |
|---|---|---|
| Pricing model | — | Flat tiers |
| Entry price | — | Free; paid from $9 / mo |
| Free plan | — | Yes |
| Deployment | Cloud-based | Cloud-hosted in EU data centers |
| Integrations | — | 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) |
| Founded | 1996 | 2010 |
| Headquarters | Waltham, Massachusetts, USA | Paris, France |
| Employees | 1,001–5,000 | 51–200 |
| Funding | Funding round led by Clearlake-managed vehicle Icon Partners VI (amount not disclosed) | Series Unknown (investment by Entrepreneur Venture, amount undisclosed) |
| Best for | Small businesses and nonprofits | Marketing and development teams that want marketing and transactional email on one platform |
Plans side by side
Constant Contact
Pricing not available.
Mailjet
Pros and cons
Themes from the AI answers that mention each brand
Constant Contact
- best for small businesses
- simple email campaigns for small businesses
- saves money with annual prepay discounts
- accessible campaign creation, automation and social tools
- best for nonprofits and events
Mailjet
- straightforward annual pricing discount
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Constant Contact vs Mailjet”, https://slateindex.ai/compare/constant-contact-vs-mailjet, data of Nov 2, 2026. Licence: CC BY 4.0.