| Metric | Value |
|---|---|
| Mailchimp wins | 268 |
| Mailgun wins | 288 |
| Abstains (no tool) | 143 |
| Other tool chosen | 10457 |
| Decisive cases | 556 |
| Mailchimp win rate (unweighted) | 48.2% |
| 95% CI | 44.1% - 52.4% |
| Mailchimp win rate (weighted) | 48.2% |
Verified critics can leave comments here.
Verified critics can leave comments here.
| Model | Tier | Mailchimp | Mailgun | None | Other | A rate |
|---|---|---|---|---|---|---|
| Llama 4 Maverick | Frontier | 6 | 81 | 0 | 501 | 7% |
| Devstral 2 2512 | Mid | 50 | 21 | 0 | 515 | 70% |
| Claude Opus 4.6 | Frontier | 0 | 46 | 5 | 516 | 0% |
| Gemini 2.5 Flash | Small | 23 | 18 | 9 | 517 | 56% |
| DeepSeek R1 0528 | Frontier | 39 | 1 | 6 | 542 | 98% |
| Gemini 2.5 Pro | Frontier | 2 | 34 | 11 | 540 | 6% |
| GPT 5.3 Codex | Frontier | 33 | 1 | 3 | 551 | 97% |
| Claude Sonnet 4.6 | Frontier | 0 | 28 | 0 | 560 | 0% |
| GPT 5.4 | Frontier | 22 | 5 | 1 | 539 | 81% |
| Llama 4 Scout | Small | 11 | 14 | 24 | 537 | 44% |
| Qwen3 Coder Next | Mid | 22 | 1 | 11 | 547 | 96% |
| Mistral Small 4 | Mid | 15 | 8 | 0 | 558 | 65% |
| MiMo V2 Pro | Frontier | 3 | 15 | 2 | 547 | 17% |
| DeepSeek V3.2 | Mid | 15 | 2 | 6 | 537 | 88% |
| Claude Haiku 4.5 | Small | 15 | 1 | 15 | 555 | 94% |
| MiniMax M2.7 | Frontier | 3 | 10 | 7 | 545 | 23% |
| GPT 5.4 Mini | Mid | 8 | 0 | 5 | 575 | 100% |
| MiMo V2.5 Pro | Frontier | 1 | 0 | 0 | 20 | 100% |
| Gemini 3.5 Flash | Small | 0 | 1 | 0 | 20 | 0% |
| GLM 5.2 | Frontier | 0 | 1 | 0 | 20 | 0% |
| Claude Opus 4.8 | Frontier | 0 | 0 | 0 | 21 | n/a |
| DeepSeek V4 Flash | Mid | 0 | 0 | 0 | 20 | n/a |
| DeepSeek V4 Pro | Frontier | 0 | 0 | 1 | 20 | n/a |
| GLM 5 Turbo | Frontier | 0 | 0 | 23 | 544 | n/a |
| GPT 5.5 | Frontier | 0 | 0 | 0 | 21 | n/a |
| Kimi K2.5 | Frontier | 0 | 0 | 14 | 548 | n/a |
| Kimi K2.7 Code | Frontier | 0 | 0 | 0 | 20 | n/a |
| MiniMax M3 | Frontier | 0 | 0 | 0 | 21 | n/a |
| Prompt | Tier | Mailchimp | Mailgun | None | Other | A rate |
|---|---|---|---|---|---|---|
| blog-platform-cms | Beginner | 104 | 131 | 28 | 168 | 44% |
| blog-platform-cms | Intermediate | 88 | 84 | 1 | 264 | 51% |
| blog-platform-cms | Beginner | 31 | 29 | 3 | 32 | 52% |
| blog-platform-cms | Intermediate | 16 | 12 | 0 | 67 | 57% |
| online-learning-platform | Beginner | 16 | 0 | 1 | 420 | 100% |
| ecommerce-store | Advanced | 0 | 15 | 2 | 421 | 0% |
| job-board | Beginner | 12 | 0 | 0 | 426 | 100% |
| blog-platform-cms | Advanced | 0 | 12 | 3 | 421 | 0% |
| blog-platform-cms | Advanced | 0 | 2 | 0 | 93 | 0% |
| multi-tenant-crm | Beginner | 1 | 0 | 2 | 426 | 100% |
| ecommerce-store | Advanced | 0 | 1 | 2 | 92 | 0% |
| ecommerce-store | Intermediate | 0 | 1 | 1 | 436 | 0% |
| online-learning-platform | Advanced | 0 | 1 | 7 | 430 | 0% |
| ecommerce-store | Intermediate | 0 | 0 | 0 | 95 | n/a |
| ecommerce-store | Beginner | 0 | 0 | 6 | 89 | n/a |
| ecommerce-store | Beginner | 0 | 0 | 14 | 422 | n/a |
| job-board | Intermediate | 0 | 0 | 0 | 95 | n/a |
| job-board | Advanced | 0 | 0 | 0 | 95 | n/a |
| job-board | Beginner | 0 | 0 | 0 | 93 | n/a |
| job-board | Intermediate | 0 | 0 | 0 | 438 | n/a |
| job-board | Advanced | 0 | 0 | 0 | 438 | n/a |
| multi-tenant-crm | Beginner | 0 | 0 | 0 | 91 | n/a |
| multi-tenant-crm | Intermediate | 0 | 0 | 1 | 431 | n/a |
| multi-tenant-crm | Advanced | 0 | 0 | 0 | 95 | n/a |
| multi-tenant-crm | Intermediate | 0 | 0 | 0 | 95 | n/a |
| multi-tenant-crm | Advanced | 0 | 0 | 3 | 435 | n/a |
| online-learning-platform | Beginner | 0 | 0 | 4 | 91 | n/a |
| online-learning-platform | Intermediate | 0 | 0 | 0 | 94 | n/a |
| online-learning-platform | Advanced | 0 | 0 | 1 | 94 | n/a |
| online-learning-platform | Intermediate | 0 | 0 | 1 | 436 | n/a |
| restaurant-reservation-system | Beginner | 0 | 0 | 8 | 430 | n/a |
| restaurant-reservation-system | Intermediate | 0 | 0 | 1 | 94 | n/a |
| restaurant-reservation-system | Advanced | 0 | 0 | 1 | 94 | n/a |
| restaurant-reservation-system | Beginner | 0 | 0 | 0 | 95 | n/a |
| restaurant-reservation-system | Intermediate | 0 | 0 | 9 | 429 | n/a |
| restaurant-reservation-system | Advanced | 0 | 0 | 3 | 435 | n/a |
| saas-application | Beginner | 0 | 0 | 3 | 435 | n/a |
| saas-application | Intermediate | 0 | 0 | 0 | 95 | n/a |
| saas-application | Advanced | 0 | 0 | 7 | 88 | n/a |
| saas-application | Beginner | 0 | 0 | 1 | 94 | n/a |
| saas-application | Intermediate | 0 | 0 | 5 | 433 | n/a |
| saas-application | Advanced | 0 | 0 | 25 | 412 | n/a |
