| Metric | Value |
|---|---|
| Slack wins | 7 |
| Postmark wins | 7 |
| Abstains (no tool) | 146 |
| Other tool chosen | 8840 |
| Decisive cases | 14 |
| Slack win rate (unweighted) | 50.0% |
| 95% CI | 26.8% - 73.2% |
| Slack win rate (weighted) | 50.0% |
Verified critics can leave comments here.
Verified critics can leave comments here.
| Model range | Tier | Slack | Postmark | None | Other | A rate |
|---|---|---|---|---|---|---|
| DeepSeek Flash 3.2–4.1 | Mid | 0 | 1 | 20 | 448 | 0% |
| DeepSeek Pro 4–4 0813 | Frontier | 0 | 0 | 0 | 108 | n/a |
| DeepSeek R1 | Frontier | 0 | 0 | 34 | 436 | n/a |
| Devstral | Mid | 0 | 0 | 0 | 446 | n/a |
| Gemini Flash 2.5–3.8 | Small | 0 | 3 | 12 | 456 | 0% |
| Gemini Pro 2.5–3.1 Preview | Frontier | 0 | 0 | 2 | 466 | n/a |
| GLM 5 Turbo–5.3 | Frontier | 0 | 0 | 18 | 454 | n/a |
| GPT 5.4–6 Astra | Frontier | 0 | 1 | 1 | 470 | 0% |
| GPT Coding 5.3 Codex–6.1 Sol | Frontier | 0 | 0 | 1 | 471 | n/a |
| GPT Mini 5.4 Mini–6 Luna | Mid | 1 | 2 | 16 | 451 | 33% |
| Haiku | Small | 0 | 0 | 1 | 458 | n/a |
| Kimi 2.5–3 | Frontier | 0 | 0 | 8 | 462 | n/a |
| Llama Maverick | Frontier | 0 | 0 | 1 | 471 | n/a |
| Llama Scout | Small | 0 | 0 | 4 | 463 | n/a |
| MiMo Pro 2–2.6 | Frontier | 0 | 0 | 7 | 464 | n/a |
| MiniMax M 2.7–3 | Frontier | 0 | 0 | 19 | 447 | n/a |
| Mistral Small | Mid | 6 | 0 | 1 | 454 | 100% |
| Opus 4.6–5.5 | Frontier | 0 | 0 | 0 | 471 | n/a |
| Qwen Coder | Mid | 0 | 0 | 1 | 471 | n/a |
| Sonnet 4.6–5.5 | Frontier | 0 | 0 | 0 | 473 | n/a |
| Prompt | Tier | Slack | Postmark | None | Other | A rate |
|---|---|---|---|---|---|---|
| project-management-tool | Beginner | 5 | 0 | 23 | 565 | 100% |
| project-management-tool | Advanced | 0 | 5 | 5 | 569 | 0% |
| project-management-tool | Intermediate | 1 | 0 | 16 | 564 | 100% |
| project-management-tool | Beginner | 1 | 0 | 11 | 139 | 100% |
| chat-application | Intermediate | 0 | 1 | 3 | 588 | 0% |
| social-media-platform | Beginner | 0 | 1 | 3 | 167 | 0% |
| chat-application | Intermediate | 0 | 0 | 0 | 170 | n/a |
| chat-application | Advanced | 0 | 0 | 6 | 587 | n/a |
| chat-application | Beginner | 0 | 0 | 15 | 576 | n/a |
| chat-application | Beginner | 0 | 0 | 2 | 165 | n/a |
| chat-application | Advanced | 0 | 0 | 3 | 149 | n/a |
| project-management-tool | Advanced | 0 | 0 | 2 | 148 | n/a |
| project-management-tool | Intermediate | 0 | 0 | 6 | 146 | n/a |
| restaurant-reservation-system | Advanced | 0 | 0 | 4 | 146 | n/a |
| restaurant-reservation-system | Intermediate | 0 | 0 | 3 | 593 | n/a |
| restaurant-reservation-system | Intermediate | 0 | 0 | 2 | 169 | n/a |
| restaurant-reservation-system | Beginner | 0 | 0 | 4 | 590 | n/a |
| restaurant-reservation-system | Beginner | 0 | 0 | 2 | 150 | n/a |
| restaurant-reservation-system | Advanced | 0 | 0 | 20 | 572 | n/a |
| social-media-platform | Beginner | 0 | 0 | 7 | 589 | n/a |
| social-media-platform | Intermediate | 0 | 0 | 1 | 592 | n/a |
| social-media-platform | Advanced | 0 | 0 | 6 | 588 | n/a |
| social-media-platform | Advanced | 0 | 0 | 1 | 169 | n/a |
| social-media-platform | Intermediate | 0 | 0 | 1 | 149 | n/a |
