| Metric | Value |
|---|---|
| Courier wins | 93 |
| Amazon SNS wins | 168 |
| Abstains (no tool) | 112 |
| Other tool chosen | 5975 |
| Decisive cases | 261 |
| Courier win rate (unweighted) | 35.6% |
| 95% CI | 30.1% - 41.6% |
| Courier win rate (weighted) | 35.6% |
Verified critics can leave comments here.
Verified critics can leave comments here.
| Model | Tier | Courier | Amazon SNS | None | Other | A rate |
|---|---|---|---|---|---|---|
| Gemini 2.5 Flash | Small | 4 | 46 | 10 | 262 | 8% |
| DeepSeek V3.2 | Mid | 37 | 0 | 16 | 269 | 100% |
| MiMo V2 Pro | Frontier | 0 | 35 | 4 | 285 | 0% |
| Claude Haiku 4.5 | Small | 0 | 34 | 0 | 293 | 0% |
| Gemini 2.5 Pro | Frontier | 17 | 2 | 2 | 311 | 89% |
| GPT 5.3 Codex | Frontier | 11 | 7 | 0 | 318 | 61% |
| Devstral 2 2512 | Mid | 0 | 12 | 0 | 321 | 0% |
| Llama 4 Scout | Small | 0 | 11 | 4 | 316 | 0% |
| Claude Opus 4.6 | Frontier | 0 | 9 | 0 | 315 | 0% |
| DeepSeek R1 0528 | Frontier | 4 | 3 | 26 | 300 | 57% |
| GPT 5.4 Mini | Mid | 2 | 5 | 6 | 321 | 29% |
| Claude Sonnet 4.6 | Frontier | 5 | 0 | 0 | 331 | 100% |
| Kimi K2.5 | Frontier | 5 | 0 | 8 | 309 | 100% |
| MiniMax M2.7 | Frontier | 2 | 2 | 17 | 296 | 50% |
| DeepSeek V4 Pro | Frontier | 2 | 0 | 0 | 10 | 100% |
| Gemini 3.5 Flash | Small | 2 | 0 | 0 | 10 | 100% |
| DeepSeek V4 Flash | Mid | 1 | 0 | 0 | 11 | 100% |
| GPT 5.5 | Frontier | 1 | 0 | 0 | 11 | 100% |
| GLM 5 Turbo | Frontier | 0 | 1 | 17 | 306 | 0% |
| MiMo V2.5 Pro | Frontier | 0 | 1 | 0 | 11 | 0% |
| Claude Opus 4.8 | Frontier | 0 | 0 | 0 | 12 | n/a |
| GLM 5.2 | Frontier | 0 | 0 | 0 | 12 | n/a |
| GPT 5.4 | Frontier | 0 | 0 | 0 | 324 | n/a |
| Kimi K2.7 Code | Frontier | 0 | 0 | 0 | 12 | n/a |
| Llama 4 Maverick | Frontier | 0 | 0 | 1 | 334 | n/a |
| MiniMax M3 | Frontier | 0 | 0 | 0 | 12 | n/a |
| Mistral Small 4 | Mid | 0 | 0 | 0 | 329 | n/a |
| Qwen3 Coder Next | Mid | 0 | 0 | 1 | 334 | n/a |
| Prompt | Tier | Courier | Amazon SNS | None | Other | A rate |
|---|---|---|---|---|---|---|
| social-media-platform | Advanced | 24 | 66 | 3 | 342 | 27% |
| chat-application | Advanced | 13 | 27 | 6 | 389 | 33% |
| project-management-tool | Advanced | 7 | 28 | 4 | 388 | 20% |
| restaurant-reservation-system | Advanced | 23 | 2 | 17 | 392 | 92% |
| social-media-platform | Advanced | 8 | 13 | 0 | 74 | 38% |
| chat-application | Advanced | 2 | 9 | 2 | 82 | 18% |
| chat-application | Intermediate | 0 | 11 | 3 | 423 | 0% |
| social-media-platform | Beginner | 2 | 4 | 6 | 426 | 33% |
| restaurant-reservation-system | Advanced | 4 | 1 | 2 | 87 | 80% |
| social-media-platform | Intermediate | 3 | 2 | 0 | 430 | 60% |
| project-management-tool | Advanced | 2 | 3 | 1 | 87 | 40% |
| restaurant-reservation-system | Intermediate | 2 | 0 | 2 | 434 | 100% |
| project-management-tool | Beginner | 1 | 1 | 21 | 414 | 50% |
| project-management-tool | Intermediate | 1 | 0 | 13 | 414 | 100% |
| restaurant-reservation-system | Beginner | 1 | 0 | 3 | 432 | 100% |
| social-media-platform | Intermediate | 0 | 1 | 0 | 93 | 0% |
| chat-application | Beginner | 0 | 0 | 1 | 94 | n/a |
| chat-application | Intermediate | 0 | 0 | 0 | 95 | n/a |
| chat-application | Beginner | 0 | 0 | 14 | 419 | n/a |
| project-management-tool | Beginner | 0 | 0 | 7 | 87 | n/a |
| project-management-tool | Intermediate | 0 | 0 | 4 | 91 | n/a |
| restaurant-reservation-system | Intermediate | 0 | 0 | 1 | 94 | n/a |
| restaurant-reservation-system | Beginner | 0 | 0 | 1 | 94 | n/a |
| social-media-platform | Beginner | 0 | 0 | 1 | 94 | n/a |
