Leading: Ghost (67.9%)
| Metric | Value |
|---|---|
| Customer.io wins | 9 |
| Ghost wins | 19 |
| Abstains (no tool) | 110 |
| Other tool chosen | 8216 |
| Decisive cases | 28 |
| Customer.io win rate (unweighted) | 32.1% |
| 95% CI | 17.9% - 50.7% |
| Customer.io win rate (weighted) | 32.1% |
Verified critics can leave comments here.
Verified critics can leave comments here.
| Model | Tier | Customer.io | Ghost | None | Other | A rate |
|---|---|---|---|---|---|---|
| GPT 5.3 Codex | Frontier | 8 | 1 | 1 | 431 | 89% |
| MiniMax M2.7 | Frontier | 0 | 9 | 7 | 423 | 0% |
| GPT 5.4 | Frontier | 0 | 5 | 1 | 435 | 0% |
| Mistral Small 4 | Mid | 0 | 3 | 0 | 435 | 0% |
| Gemini 2.5 Pro | Frontier | 1 | 0 | 9 | 431 | 100% |
| DeepSeek V3.2 | Mid | 0 | 1 | 4 | 430 | 0% |
| Claude Haiku 4.5 | Small | 0 | 0 | 14 | 425 | n/a |
| Claude Opus 4.6 | Frontier | 0 | 0 | 0 | 441 | n/a |
| Claude Sonnet 4.6 | Frontier | 0 | 0 | 0 | 441 | n/a |
| DeepSeek R1 0528 | Frontier | 0 | 0 | 5 | 436 | n/a |
| Devstral 2 2512 | Mid | 0 | 0 | 0 | 439 | n/a |
| Gemini 2.5 Flash | Small | 0 | 0 | 0 | 441 | n/a |
| GLM 5 Turbo | Frontier | 0 | 0 | 19 | 422 | n/a |
| GPT 5.4 Mini | Mid | 0 | 0 | 5 | 436 | n/a |
| Kimi K2.5 | Frontier | 0 | 0 | 13 | 423 | n/a |
| Llama 4 Maverick | Frontier | 0 | 0 | 0 | 441 | n/a |
| Llama 4 Scout | Small | 0 | 0 | 22 | 417 | n/a |
| MiMo V2 Pro | Frontier | 0 | 0 | 2 | 439 | n/a |
| Qwen3 Coder Next | Mid | 0 | 0 | 8 | 430 | n/a |
| Prompt | Tier | Customer.io | Ghost | None | Other | A rate |
|---|---|---|---|---|---|---|
| blog-platform-cms | Beginner | 0 | 19 | 26 | 347 | 0% |
| blog-platform-cms | Advanced | 6 | 0 | 3 | 390 | 100% |
| multi-tenant-crm | Advanced | 3 | 0 | 3 | 393 | 100% |
| blog-platform-cms | Intermediate | 0 | 0 | 1 | 398 | n/a |
| ecommerce-store | Intermediate | 0 | 0 | 1 | 398 | n/a |
| ecommerce-store | Beginner | 0 | 0 | 12 | 385 | n/a |
| ecommerce-store | Advanced | 0 | 0 | 2 | 397 | n/a |
| job-board | Beginner | 0 | 0 | 0 | 399 | n/a |
| job-board | Intermediate | 0 | 0 | 0 | 399 | n/a |
| job-board | Advanced | 0 | 0 | 0 | 399 | n/a |
| multi-tenant-crm | Beginner | 0 | 0 | 2 | 390 | n/a |
| multi-tenant-crm | Intermediate | 0 | 0 | 1 | 392 | n/a |
| online-learning-platform | Advanced | 0 | 0 | 7 | 392 | n/a |
| online-learning-platform | Intermediate | 0 | 0 | 1 | 397 | n/a |
| online-learning-platform | Beginner | 0 | 0 | 0 | 398 | n/a |
| restaurant-reservation-system | Beginner | 0 | 0 | 8 | 391 | n/a |
| restaurant-reservation-system | Intermediate | 0 | 0 | 9 | 390 | n/a |
| restaurant-reservation-system | Advanced | 0 | 0 | 3 | 396 | n/a |
| saas-application | Beginner | 0 | 0 | 3 | 396 | n/a |
| saas-application | Intermediate | 0 | 0 | 4 | 395 | n/a |
| saas-application | Advanced | 0 | 0 | 24 | 374 | n/a |
