Mails.ai vs Brevo
Both sit in email marketing. Here is how they differ on the things you can actually check.
On price: Brevo starts $9.20 a month cheaper than Mails.ai ($10.80 against $20, 46% less) on its Starter tier. Both figures were read from the vendors' own pricing pages on the dates shown below.
Mails.ai
mails.ai
Gives an AI agent a real mailbox: inbound arrives as structured reply events carrying a prompt-injection score and sender reputation, with a six-category injection scanner on every message, dedicated IPs and an MCP server. Cold email is refused at the API rather than in the fine print.
Brevo
brevo.com
Formerly Sendinblue. Combines marketing email, transactional sending, SMS, live chat and a light CRM. Pricing is send-volume based rather than contact based.
| Mails.ai | Brevo | |
|---|---|---|
| Entry price | $20/mo | $10.80/mo |
| Entry plan | Pro | Starter |
| Paid annually | — | — |
| Price checked | 21 Sept 2026 | 25 Aug 2026 |
| Pricing model | Free plan | Free plan |
| Free plan | Yes | Yes |
| Category | Email Marketing | Email Marketing |
| Around since | 2025 | 2012 |
Every price here was read from the vendor's own pricing page, most recently on 21 Sept 2026. Entry tier only — vendors change pricing without notice.
Mails.ai vs Brevo, answered
- Is Mails.ai cheaper than Brevo?
- No — Brevo is the cheaper entry point, at $10.80 a month against Mails.ai's $20, 46% less.
- Do Mails.ai or Brevo have a free plan?
- Both do. Mails.ai and Brevo each publish an ongoing free tier rather than a time-limited trial.
- What is the difference between Mails.ai and Brevo?
- Mails.ai: Gives an AI agent a real mailbox: inbound arrives as structured reply events carrying a prompt-injection score and sender reputation, with a six-category injection scanner on every message, dedicated IPs and an MCP server. Cold email is refused at the API rather than in the fine print. Brevo: Formerly Sendinblue. Combines marketing email, transactional sending, SMS, live chat and a light CRM. Pricing is send-volume based rather than contact based.
