Mailjet vs Twilio SendGrid
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Twilio SendGrid is the stronger AI pick in Email Marketing: it has a visibility score of 4.9 versus 3.8 for Mailjet, and ranks ahead in 100% of the answers that name both.
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
- straightforward annual pricing discount
Choose Twilio SendGrid if…
- You want the brand AI engines rank higher (4.9 vs 3.8)
- You need ISO 27018 or SOC 2 Type II coverage
- You prefer a larger, established vendor (5,000+ employees)
- Cuts overall costs by 10% to 20% with a yearly commitment
AI visibility side by side
Latest weekly run · Nov 2
| Metric | Mailjet | Twilio SendGrid |
|---|---|---|
| Visibility score | 3.8% | 4.9% |
| Change vs last week | New | New |
| Rank in Email Marketing | #19 | #17 |
| Share of voice | 1.7% | 1.6% |
| Mentions this run | 9 | 8 |
| Positive in AI answers | 0% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Mailjet 0pp · Twilio SendGrid 0pp over 0 weekly runs.
Engine by engine
Twilio SendGrid leads on 2 of 3 engines
Head to head in AI answers
2 engine answers name both brands
| Prompt | Engine | Mailjet | Twilio SendGrid |
|---|---|---|---|
| Which Email Marketing tools offer annual discounts? | AI Mode | #7 | #6 |
| Official website of the top email marketing platform vendors | ChatGPT | #22 | #21 |
Features, pricing & fit
| Dimension | Mailjet | Twilio SendGrid |
|---|---|---|
| Pricing model | Flat tiers | — |
| Entry price | Free; paid from $9 / mo | — |
| Free plan | Yes | — |
| Deployment | Cloud-hosted in EU data centers | Cloud |
| Integrations | 100+ | — |
| Compliance | ISO 27001, ISO 27701, SOC 2, GDPR, CCPA, PCI DSS, CSA STAR Level 1, HIPAA, Certified Senders Alliance | ISO 27001, ISO 27018, SOC 2 Type II |
| Support | Online support, Priority support (Premium plan), Phone and chat support (from 50k plan), Dedicated Technical Account Manager (Custom plan) | Live chat for paid support customers, starting October 5, 2026 |
| Founded | 2010 | — |
| Headquarters | Paris, France | — |
| Employees | 51–200 | 5,000+ |
| Funding | Series Unknown (investment by Entrepreneur Venture, amount undisclosed) | Series A |
| Best for | Marketing and development teams that want marketing and transactional email on one platform | — |
Plans side by side
Mailjet
Twilio SendGrid
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Mailjet
- straightforward annual pricing discount
Twilio SendGrid
- Cuts overall costs by 10% to 20% with a yearly commitment
- Reliable for transactional email
- Suited to sending large email volumes programmatically
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Mailjet vs Twilio SendGrid”, https://slateindex.ai/compare/mailjet-vs-twilio-sendgrid, data of Nov 2, 2026. Licence: CC BY 4.0.