| Metric | Value |
|---|---|
| Amazon SES wins | 226 |
| Mailchimp wins | 373 |
| Abstains (no tool) | 192 |
| Other tool chosen | 15077 |
| Decisive cases | 599 |
| Amazon SES win rate (unweighted) | 37.7% |
| 95% CI | 33.9% - 41.7% |
| Amazon SES win rate (weighted) | 37.7% |
Verified critics can leave comments here.
Verified critics can leave comments here.
| Model range | Tier | Amazon SES | Mailchimp | None | Other | A rate |
|---|---|---|---|---|---|---|
| DeepSeek Flash 3.2–4.1 | Mid | 7 | 21 | 9 | 784 | 25% |
| DeepSeek Pro 4–4 0813 | Frontier | 0 | 1 | 2 | 186 | 0% |
| DeepSeek R1 | Frontier | 1 | 54 | 10 | 766 | 2% |
| Devstral | Mid | 27 | 64 | 0 | 696 | 30% |
| Gemini Flash 2.5–3.8 | Small | 19 | 26 | 13 | 772 | 42% |
| Gemini Pro 2.5–3.1 Preview | Frontier | 0 | 2 | 15 | 813 | 0% |
| GLM 5 Turbo–5.3 | Frontier | 0 | 3 | 24 | 803 | 0% |
| GPT 5.4–6 Astra | Frontier | 21 | 33 | 3 | 772 | 39% |
| GPT Coding 5.3 Codex–6.1 Sol | Frontier | 37 | 42 | 6 | 746 | 47% |
| GPT Mini 5.4 Mini–6 Luna | Mid | 8 | 12 | 12 | 796 | 40% |
| Haiku | Small | 2 | 19 | 18 | 787 | 10% |
| Kimi 2.5–3 | Frontier | 3 | 2 | 14 | 805 | 60% |
| Llama Maverick | Frontier | 7 | 11 | 0 | 813 | 39% |
| Llama Scout | Small | 0 | 14 | 32 | 783 | 0% |
| MiMo Pro 2–2.6 | Frontier | 6 | 9 | 4 | 804 | 40% |
| MiniMax M 2.7–3 | Frontier | 4 | 4 | 8 | 811 | 50% |
| Mistral Small | Mid | 0 | 25 | 0 | 795 | 0% |
| Opus 4.6–5.5 | Frontier | 80 | 2 | 9 | 740 | 98% |
| Qwen Coder | Mid | 0 | 29 | 13 | 778 | 0% |
| Sonnet 4.6–5.5 | Frontier | 4 | 0 | 0 | 827 | 100% |
| Prompt | Tier | Amazon SES | Mailchimp | None | Other | A rate |
|---|---|---|---|---|---|---|
| blog-platform-cms | Beginner | 0 | 139 | 37 | 408 | 0% |
| blog-platform-cms | Intermediate | 3 | 121 | 2 | 468 | 2% |
| multi-tenant-crm | Advanced | 75 | 0 | 4 | 516 | 100% |
| blog-platform-cms | Beginner | 0 | 52 | 6 | 111 | 0% |
| blog-platform-cms | Advanced | 30 | 0 | 3 | 560 | 100% |
| blog-platform-cms | Intermediate | 0 | 23 | 0 | 129 | 0% |
| online-learning-platform | Beginner | 1 | 21 | 2 | 571 | 5% |
| blog-platform-cms | Advanced | 17 | 2 | 0 | 149 | 89% |
| ecommerce-store | Advanced | 17 | 0 | 2 | 577 | 100% |
| job-board | Advanced | 14 | 0 | 1 | 156 | 100% |
| job-board | Beginner | 2 | 12 | 0 | 581 | 14% |
| job-board | Advanced | 12 | 0 | 1 | 583 | 100% |
| multi-tenant-crm | Advanced | 12 | 0 | 2 | 156 | 100% |
| online-learning-platform | Advanced | 11 | 0 | 7 | 578 | 100% |
| online-learning-platform | Advanced | 8 | 0 | 4 | 140 | 100% |
| restaurant-reservation-system | Advanced | 8 | 0 | 5 | 583 | 100% |
| ecommerce-store | Advanced | 5 | 0 | 3 | 144 | 100% |
| multi-tenant-crm | Intermediate | 4 | 0 | 1 | 585 | 100% |
| multi-tenant-crm | Beginner | 1 | 1 | 3 | 579 | 50% |
| online-learning-platform | Beginner | 0 | 2 | 6 | 162 | 0% |
| ecommerce-store | Intermediate | 1 | 0 | 2 | 593 | 100% |
| multi-tenant-crm | Intermediate | 1 | 0 | 0 | 151 | 100% |
| restaurant-reservation-system | Advanced | 1 | 0 | 3 | 148 | 100% |
| restaurant-reservation-system | Intermediate | 1 | 0 | 10 | 585 | 100% |
| saas-application | Advanced | 1 | 0 | 32 | 562 | 100% |
| saas-application | Beginner | 1 | 0 | 3 | 592 | 100% |
| ecommerce-store | Beginner | 0 | 0 | 8 | 143 | n/a |
| ecommerce-store | Beginner | 0 | 0 | 16 | 577 | n/a |
| ecommerce-store | Intermediate | 0 | 0 | 0 | 168 | n/a |
| job-board | Beginner | 0 | 0 | 0 | 169 | n/a |
| job-board | Intermediate | 0 | 0 | 0 | 152 | n/a |
| job-board | Intermediate | 0 | 0 | 0 | 596 | n/a |
| multi-tenant-crm | Beginner | 0 | 0 | 1 | 163 | n/a |
| online-learning-platform | Intermediate | 0 | 0 | 0 | 151 | n/a |
| online-learning-platform | Intermediate | 0 | 0 | 1 | 593 | n/a |
| restaurant-reservation-system | Intermediate | 0 | 0 | 1 | 170 | n/a |
| restaurant-reservation-system | Beginner | 0 | 0 | 9 | 587 | n/a |
| restaurant-reservation-system | Beginner | 0 | 0 | 0 | 152 | n/a |
| saas-application | Advanced | 0 | 0 | 9 | 161 | n/a |
| saas-application | Intermediate | 0 | 0 | 0 | 171 | n/a |
| saas-application | Intermediate | 0 | 0 | 5 | 591 | n/a |
| saas-application | Beginner | 0 | 0 | 3 | 166 | n/a |
