| Metric | Value |
|---|---|
| Mailchimp wins | 267 |
| Mailgun wins | 294 |
| Abstains (no tool) | 132 |
| Other tool chosen | 10545 |
| Decisive cases | 561 |
| Mailchimp win rate (unweighted) | 47.6% |
| 95% CI | 43.5% - 51.7% |
| Mailchimp win rate (weighted) | 47.6% |
Verified critics can leave comments here.
Verified critics can leave comments here.
| Model | Tier | Mailchimp | Mailgun | None | Other | A rate |
|---|---|---|---|---|---|---|
| Llama 4 Maverick | Frontier | 1 | 89 | 0 | 498 | 1% |
| Devstral 2 2512 | Mid | 53 | 17 | 0 | 475 | 76% |
| Gemini 2.5 Pro | Frontier | 2 | 37 | 13 | 535 | 5% |
| Claude Opus 4.6 | Frontier | 0 | 39 | 0 | 402 | 0% |
| DeepSeek R1 0528 | Frontier | 38 | 0 | 7 | 543 | 100% |
| Gemini 2.5 Flash | Small | 20 | 14 | 1 | 406 | 59% |
| GPT 5.3 Codex | Frontier | 32 | 1 | 2 | 553 | 97% |
| Claude Sonnet 4.6 | Frontier | 0 | 28 | 0 | 560 | 0% |
| Llama 4 Scout | Small | 8 | 19 | 27 | 532 | 30% |
| Qwen3 Coder Next | Mid | 23 | 0 | 7 | 556 | 100% |
| GPT 5.4 | Frontier | 18 | 5 | 1 | 417 | 78% |
| Claude Haiku 4.5 | Small | 17 | 1 | 16 | 550 | 94% |
| Mistral Small 4 | Mid | 12 | 3 | 0 | 567 | 80% |
| MiMo V2 Pro | Frontier | 2 | 13 | 2 | 424 | 13% |
| DeepSeek V3.2 | Mid | 10 | 1 | 3 | 420 | 91% |
| GPT 5.5 | Frontier | 9 | 1 | 1 | 134 | 90% |
| MiniMax M2.7 | Frontier | 2 | 8 | 7 | 422 | 20% |
| MiMo V2.5 Pro | Frontier | 6 | 2 | 1 | 136 | 75% |
| GPT 5.4 Mini | Mid | 7 | 0 | 6 | 575 | 100% |
| DeepSeek V4 Pro | Frontier | 1 | 5 | 2 | 139 | 17% |
| GLM 5.2 | Frontier | 3 | 2 | 0 | 142 | 60% |
| Gemini 3.5 Flash | Small | 0 | 5 | 0 | 141 | 0% |
| DeepSeek V4 Flash | Mid | 1 | 3 | 3 | 137 | 25% |
| Claude Opus 4.8 | Frontier | 2 | 0 | 0 | 145 | 100% |
| Kimi K2.7 Code | Frontier | 0 | 1 | 0 | 145 | 0% |
| GLM 5 Turbo | Frontier | 0 | 0 | 19 | 422 | n/a |
| Kimi K2.5 | Frontier | 0 | 0 | 14 | 423 | n/a |
| MiniMax M3 | Frontier | 0 | 0 | 0 | 146 | n/a |
| Prompt | Tier | Mailchimp | Mailgun | None | Other | A rate |
|---|---|---|---|---|---|---|
| blog-platform-cms | Beginner | 128 | 164 | 31 | 203 | 44% |
| blog-platform-cms | Intermediate | 109 | 94 | 2 | 330 | 54% |
| online-learning-platform | Beginner | 19 | 0 | 2 | 515 | 100% |
| ecommerce-store | Advanced | 0 | 19 | 1 | 517 | 0% |
| blog-platform-cms | Advanced | 0 | 14 | 3 | 518 | 0% |
| job-board | Beginner | 11 | 0 | 0 | 525 | 100% |
| ecommerce-store | Intermediate | 0 | 1 | 1 | 535 | 0% |
| multi-tenant-crm | Beginner | 0 | 1 | 3 | 522 | 0% |
| online-learning-platform | Advanced | 0 | 1 | 7 | 529 | 0% |
| ecommerce-store | Beginner | 0 | 0 | 16 | 519 | n/a |
| job-board | Intermediate | 0 | 0 | 0 | 537 | n/a |
| job-board | Advanced | 0 | 0 | 1 | 536 | n/a |
| multi-tenant-crm | Intermediate | 0 | 0 | 1 | 531 | n/a |
| multi-tenant-crm | Advanced | 0 | 0 | 4 | 532 | n/a |
| online-learning-platform | Intermediate | 0 | 0 | 1 | 534 | n/a |
| restaurant-reservation-system | Beginner | 0 | 0 | 9 | 528 | n/a |
| restaurant-reservation-system | Intermediate | 0 | 0 | 10 | 527 | n/a |
| restaurant-reservation-system | Advanced | 0 | 0 | 5 | 532 | n/a |
| saas-application | Beginner | 0 | 0 | 2 | 535 | n/a |
| saas-application | Advanced | 0 | 0 | 29 | 507 | n/a |
| saas-application | Intermediate | 0 | 0 | 4 | 533 | n/a |
