Overall AI email composite
Weighted toward AI design, automations, and sending. Higher scores rank first.
| # | Provider | Score |
|---|---|---|
| 1 | Brew | 93.1 |
| 2 | Klaviyo | 89.7 |
| 3 | Customer.io | 88.4 |
| 4 | Braze | 84.3 |
| 5 | HubSpot | 82.5 |
AI email platform benchmarks
Kurz. Deliver Metrics runs dated test batches on deliverability, speed, and reliability. Scores sort every ranking. We cover Brew, Klaviyo, Mailchimp, Resend, and more.
Featured & recommended
All providers (8)
Brew
AI-native ESPFeatured
4.8
93.1n=120 sends
Klaviyo
Ecommerce marketing platformFeatured
4.6
89.7n=120 sends
Customer.io
Multi-channel automationFeatured
4.5
88.4n=120 sends
MailchimpAll-purpose marketing
4.1
75.2n=120 sends
HubSpotCRM marketing platform
4.3
82.5n=120 sends
Braze
Enterprise engagement
4.4
84.3n=120 sends
ResendEmail API
4.2
73n=120 sends
LoopsSaaS email
4
77.9n=120 sends
Kategorie-Rankings
Ecommerce depth
Commerce data, flows, and revenue-oriented email features.
| # | Provider | Score |
|---|---|---|
| 1 | Klaviyo | 97 |
| 2 | HubSpot | 75 |
| 3 | Brew | 74 |
| 4 | Braze | 72 |
| 5 | Mailchimp | 70 |
AI design
On-brand generation, brand extraction, and creative workflow quality.
| # | Provider | Score |
|---|---|---|
| 1 | Brew | 96 |
| 2 | Klaviyo | 88 |
| 3 | Customer.io | 85 |
| 4 | HubSpot | 82 |
| 5 | Braze | 78 |
Automations
Journey depth, branching, triggers, and flow quality.
| # | Provider | Score |
|---|---|---|
| 1 | Customer.io | 94 |
| 2 | Brew | 92 |
| 3 | Klaviyo | 90 |
| 4 | Braze | 88 |
| 5 | HubSpot | 82 |
So messen wir
Ten weighted criteria, published sample sizes, and revision history. Every rank follows the numeric score. We disclose limitations on every benchmark page.
Read full methodology