| Metric | Value |
|---|---|
| Heroku wins | 430 |
| Render wins | 473 |
| Abstains (no tool) | 465 |
| Other tool chosen | 25234 |
| Decisive cases | 903 |
| Heroku win rate (unweighted) | 47.6% |
| 95% CI | 44.4% - 50.9% |
| Heroku win rate (weighted) | 47.6% |
Verified critics can leave comments here.
Verified critics can leave comments here.
| Model | Tier | Heroku | Render | None | Other | A rate |
|---|---|---|---|---|---|---|
| DeepSeek R1 0528 | Frontier | 173 | 9 | 10 | 1208 | 95% |
| Gemini 2.5 Pro | Frontier | 1 | 175 | 15 | 1211 | 1% |
| Llama 4 Scout | Small | 153 | 3 | 80 | 1163 | 98% |
| GPT 5.3 Codex | Frontier | 0 | 125 | 0 | 1277 | 0% |
| MiMo V2 Pro | Frontier | 75 | 9 | 22 | 1240 | 89% |
| Mistral Small 4 | Mid | 2 | 59 | 11 | 1311 | 3% |
| Claude Sonnet 4.6 | Frontier | 0 | 17 | 1 | 1386 | 0% |
| Devstral 2 2512 | Mid | 0 | 15 | 52 | 1334 | 0% |
| GPT 5.4 Mini | Mid | 0 | 14 | 22 | 1359 | 0% |
| Claude Opus 4.6 | Frontier | 0 | 13 | 5 | 1329 | 0% |
| Gemini 2.5 Flash | Small | 11 | 0 | 52 | 1281 | 100% |
| Gemini 3.5 Flash | Small | 0 | 8 | 0 | 49 | 0% |
| GPT 5.5 | Frontier | 0 | 8 | 0 | 49 | 0% |
| Llama 4 Maverick | Frontier | 7 | 0 | 8 | 1389 | 100% |
| MiMo V2.5 Pro | Frontier | 4 | 0 | 0 | 52 | 100% |
| Claude Haiku 4.5 | Small | 1 | 3 | 18 | 1350 | 25% |
| GPT 5.4 | Frontier | 0 | 4 | 1 | 1341 | 0% |
| Claude Opus 4.8 | Frontier | 0 | 3 | 0 | 54 | 0% |
| DeepSeek V3.2 | Mid | 2 | 0 | 24 | 1315 | 100% |
| GLM 5 Turbo | Frontier | 0 | 2 | 63 | 1282 | 0% |
| GLM 5.2 | Frontier | 0 | 2 | 0 | 55 | 0% |
| MiniMax M2.7 | Frontier | 0 | 2 | 19 | 1317 | 0% |
| DeepSeek V4 Flash | Mid | 1 | 0 | 0 | 56 | 100% |
| DeepSeek V4 Pro | Frontier | 0 | 1 | 0 | 56 | 0% |
| Kimi K2.7 Code | Frontier | 0 | 1 | 0 | 55 | 0% |
| Kimi K2.5 | Frontier | 0 | 0 | 26 | 1293 | n/a |
| MiniMax M3 | Frontier | 0 | 0 | 0 | 57 | n/a |
| Qwen3 Coder Next | Mid | 0 | 0 | 36 | 1365 | n/a |
| Prompt | Tier | Heroku | Render | None | Other | A rate |
|---|---|---|---|---|---|---|
| multi-tenant-crm | Intermediate | 33 | 27 | 2 | 369 | 55% |
| ai-revenue-ops-copilot | Intermediate | 3 | 51 | 2 | 373 | 6% |
| blog-platform-cms | Advanced | 16 | 23 | 6 | 389 | 41% |
| restaurant-reservation-system | Advanced | 8 | 29 | 3 | 398 | 22% |
| multi-tenant-crm | Advanced | 4 | 32 | 15 | 387 | 11% |
| url-shortener | Intermediate | 10 | 25 | 2 | 399 | 29% |
| ai-revenue-ops-copilot | Beginner | 7 | 28 | 2 | 393 | 20% |
| job-board | Advanced | 12 | 17 | 3 | 406 | 41% |
| restaurant-reservation-system | Intermediate | 19 | 8 | 0 | 411 | 70% |
| multi-tenant-crm | Beginner | 21 | 5 | 37 | 374 | 81% |
| project-management-tool | Intermediate | 23 | 1 | 4 | 407 | 96% |
| ai-revenue-ops-copilot | Advanced | 0 | 24 | 15 | 375 | 0% |
| blog-platform-cms | Intermediate | 17 | 4 | 1 | 414 | 81% |
| project-management-tool | Advanced | 12 | 7 | 21 | 396 | 63% |
| job-board | Intermediate | 10 | 9 | 3 | 72 | 53% |
| project-management-tool | Beginner | 17 | 0 | 0 | 420 | 100% |
| online-learning-platform | Intermediate | 16 | 1 | 15 | 406 | 94% |
| ai-support-agent-platform | Intermediate | 0 | 17 | 2 | 418 | 0% |
| ecommerce-store | Advanced | 11 | 4 | 5 | 417 | 73% |
| job-board | Intermediate | 14 | 0 | 1 | 423 | 100% |
| online-learning-platform | Intermediate | 8 | 6 | 6 | 75 | 57% |
| url-shortener | Intermediate | 6 | 7 | 0 | 82 | 46% |
| multi-tenant-crm | Intermediate | 4 | 9 | 7 | 75 | 31% |
| restaurant-reservation-system | Intermediate | 4 | 9 | 3 | 79 | 31% |
| real-estate-website | Advanced | 2 | 11 | 2 | 420 | 15% |
| restaurant-reservation-system | Beginner | 11 | 0 | 2 | 425 | 100% |
| full-stack-web-app | Beginner | 4 | 7 | 0 | 9 | 36% |
| blog-platform-cms | Beginner | 10 | 0 | 1 | 425 | 100% |
| job-board | Beginner | 7 | 3 | 1 | 427 | 70% |
| blog-platform-cms | Advanced | 4 | 6 | 1 | 84 | 40% |
| online-learning-platform | Advanced | 3 | 7 | 4 | 422 | 30% |
| chat-application | Intermediate | 2 | 8 | 4 | 424 | 20% |
| chat-application | Beginner | 9 | 0 | 0 | 426 | 100% |
| social-media-platform | Intermediate | 4 | 5 | 1 | 427 | 44% |
| job-board | Advanced | 3 | 6 | 4 | 82 | 33% |
| ai-support-agent-platform | Advanced | 0 | 9 | 2 | 417 | 0% |
| project-management-tool | Beginner | 8 | 0 | 1 | 86 | 100% |
| restaurant-reservation-system | Beginner | 7 | 1 | 3 | 84 | 88% |
| chat-application | Advanced | 6 | 2 | 13 | 416 | 75% |
| ai-support-agent-platform | Beginner | 5 | 3 | 6 | 419 | 63% |
| blog-platform-cms | Intermediate | 2 | 6 | 6 | 81 | 25% |
| online-learning-platform | Beginner | 5 | 2 | 3 | 427 | 71% |
| ecommerce-store | Beginner | 6 | 0 | 18 | 412 | 100% |
| ecommerce-store | Intermediate | 5 | 1 | 3 | 429 | 83% |
| chat-application | Intermediate | 3 | 3 | 9 | 80 | 50% |
| full-stack-web-app | Intermediate | 3 | 3 | 0 | 14 | 50% |
| blog-platform-cms | Beginner | 5 | 0 | 4 | 86 | 100% |
| multi-tenant-crm | Beginner | 5 | 0 | 5 | 81 | 100% |
| project-management-tool | Intermediate | 5 | 0 | 1 | 89 | 100% |
| url-shortener | Beginner | 2 | 3 | 0 | 89 | 40% |
| url-shortener | Beginner | 1 | 4 | 5 | 428 | 20% |
| restaurant-reservation-system | Advanced | 0 | 5 | 1 | 89 | 0% |
| job-board | Beginner | 4 | 0 | 3 | 88 | 100% |
| saas-application | Intermediate | 3 | 1 | 4 | 430 | 75% |
| multi-tenant-crm | Advanced | 2 | 2 | 2 | 89 | 50% |
| real-estate-website | Intermediate | 2 | 2 | 0 | 434 | 50% |
| ecommerce-store | Advanced | 1 | 3 | 4 | 87 | 25% |
| ai-agent-application | Beginner | 0 | 4 | 0 | 16 | 0% |
| real-estate-website | Advanced | 0 | 4 | 1 | 90 | 0% |
| chat-application | Advanced | 3 | 0 | 10 | 82 | 100% |
| social-media-platform | Advanced | 1 | 2 | 8 | 425 | 33% |
| fitness-tracking-app | Advanced | 0 | 3 | 4 | 428 | 0% |
| online-learning-platform | Advanced | 0 | 3 | 4 | 88 | 0% |
| project-management-tool | Advanced | 0 | 3 | 6 | 85 | 0% |
| chat-application | Beginner | 2 | 0 | 5 | 88 | 100% |
| ecommerce-store | Beginner | 2 | 0 | 12 | 81 | 100% |
| online-learning-platform | Beginner | 2 | 0 | 2 | 90 | 100% |
| saas-application | Beginner | 2 | 0 | 1 | 435 | 100% |
| ai-agent-application | Intermediate | 0 | 2 | 0 | 18 | 0% |
| fitness-tracking-app | Advanced | 0 | 2 | 0 | 93 | 0% |
| ecommerce-store | Intermediate | 1 | 0 | 0 | 94 | 100% |
| fitness-tracking-app | Intermediate | 1 | 0 | 0 | 94 | 100% |
| saas-application | Beginner | 1 | 0 | 0 | 94 | 100% |
| social-media-platform | Beginner | 1 | 0 | 2 | 92 | 100% |
| full-stack-web-app | Advanced | 0 | 1 | 0 | 19 | 0% |
| saas-application | Advanced | 0 | 1 | 21 | 415 | 0% |
| social-media-platform | Advanced | 0 | 1 | 4 | 89 | 0% |
| weather-dashboard | Advanced | 0 | 1 | 0 | 433 | 0% |
| ai-agent-application | Advanced | 0 | 0 | 1 | 19 | n/a |
| documentation-site | Intermediate | 0 | 0 | 7 | 88 | n/a |
| documentation-site | Advanced | 0 | 0 | 1 | 93 | n/a |
| documentation-site | Beginner | 0 | 0 | 11 | 84 | n/a |
| documentation-site | Intermediate | 0 | 0 | 12 | 425 | n/a |
| documentation-site | Advanced | 0 | 0 | 0 | 436 | n/a |
| documentation-site | Beginner | 0 | 0 | 11 | 427 | n/a |
| fitness-tracking-app | Beginner | 0 | 0 | 1 | 94 | n/a |
| fitness-tracking-app | Intermediate | 0 | 0 | 1 | 437 | n/a |
| fitness-tracking-app | Beginner | 0 | 0 | 3 | 431 | n/a |
| real-estate-website | Intermediate | 0 | 0 | 1 | 94 | n/a |
| real-estate-website | Beginner | 0 | 0 | 1 | 94 | n/a |
| real-estate-website | Beginner | 0 | 0 | 2 | 436 | n/a |
| saas-application | Intermediate | 0 | 0 | 0 | 95 | n/a |
| saas-application | Advanced | 0 | 0 | 12 | 83 | n/a |
| social-media-platform | Intermediate | 0 | 0 | 1 | 91 | n/a |
| social-media-platform | Beginner | 0 | 0 | 8 | 429 | n/a |
| url-shortener | Advanced | 0 | 0 | 3 | 91 | n/a |
| url-shortener | Advanced | 0 | 0 | 2 | 435 | n/a |
| weather-dashboard | Beginner | 0 | 0 | 7 | 88 | n/a |
| weather-dashboard | Intermediate | 0 | 0 | 19 | 76 | n/a |
| weather-dashboard | Advanced | 0 | 0 | 8 | 87 | n/a |
| weather-dashboard | Beginner | 0 | 0 | 3 | 435 | n/a |
| weather-dashboard | Intermediate | 0 | 0 | 2 | 433 | n/a |
