# Brevo vs Sender: which do AI models recommend for email marketing, September 2026

GTM AI Recommendation Index, September 2026 Edition, Email marketing platforms. Zero of twelve models named Brevo first on the direct prompt; zero named Sender. Page: https://gtm-ai-index.com/marketing/email-marketing/brevo-vs-sender/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| Brevo | 16% | #3 of 13 | 5% | 40 | 12 of 12 |
| Sender | 11% | #4 of 13 | 0% | 17 | 10 of 12 |

## The direct prompt, model by model

- Gemini 3.5 Flash: neither first, one named (first choices: ActiveCampaign) (alternatives: Brevo, HubSpot Marketing Hub, Salesforce Marketing Cloud Account Engagement)
- Grok 4.1 Fast: neither first, one named (first choices: ActiveCampaign, HubSpot Marketing Hub) (alternatives: Adobe Marketo Engage, Brevo)
- Mistral Small: neither first, one named (first choices: ActiveCampaign) (alternatives: Brevo, HubSpot Marketing Hub)
- GLM 4.7 FlashX: neither first, one named (first choices: ActiveCampaign) (alternatives: Brevo, HubSpot Marketing Hub, Klaviyo)
- Claude Haiku 4.5: neither named (first choices: HubSpot Marketing Hub) (alternatives: ActiveCampaign)
- GPT-5.4 mini: neither named (first choices: ActiveCampaign) (alternatives: Braze, HubSpot Marketing Hub)
- Perplexity Sonar: neither named (first choices: HubSpot Marketing Hub) (alternatives: ActiveCampaign)
- DeepSeek V4 Flash: neither named (first choices: ActiveCampaign) (alternatives: HubSpot Marketing Hub)
- Llama 4 Maverick: neither named (first choices: ActiveCampaign, HubSpot Marketing Hub)
- Qwen 3.7 Flash: neither named (first choices: HubSpot Marketing Hub) (alternatives: ActiveCampaign, Customer.io)
- Kimi K2: neither named (first choices: ActiveCampaign) (alternatives: HubSpot Marketing Hub)
- MiniMax M2.5: neither named (first choices: ActiveCampaign) (alternatives: Adobe Marketo Engage, HubSpot Marketing Hub)

## What the models said about Brevo

- "Variable/low deliverability (75-84% inbox, high spam rates 15-24% in tests), struggles with Microsoft inboxes." (Grok 4.1 Fast, negative prompt, hard negative)
- "Deliverability is inconsistent — has dropped to 68% in 2023" (DeepSeek V4 Flash, negative prompt, soft negative)
- "Brevo offers the best overall free plan with an unusually high send allowance and a free CRM layer most competitors don't offer" (Claude Haiku 4.5, budget prompt, first choice)
- "For most small businesses, MailerLite or Brevo offer the best balance of features, ease of use, and affordability." (Qwen 3.7 Flash, budget prompt, first choice)

## What the models said about Sender

- "Sender.net stands out as the best email marketing platform for a company with a limited budget." (Grok 4.1 Fast, budget prompt, first choice)
- "If you have fewer than 2,500 subscribers and want automations for free, choose Sender." (Gemini 3.5 Flash, budget prompt, first choice)
- "Sender is the best overall choice—it offers the most features at the lowest price point" (MiniMax M2.5, budget prompt, first choice)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.