RubberDuckBench — leaderboard
Metric: Performance (%). Source: cs.brynmawr.edu. 20 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Grok 4 | 69.29 |
| 2 | Claude Opus 4 | 68.53 |
| 3 | GPT-5 | 67.8 |
| 4 | Claude Opus 4.1 | 67.02 |
| 5 | O3 | 64.93 |
| 6 | Gemini 2.5 Flash | 64.3 |
| 7 | Gemini 2.5 Pro | 64.01 |
| 8 | GPT-OSS-20B | 63.63 |
| 9 | Claude Sonnet 4 | 61.66 |
| 10 | Claude 3.7 Sonnet | 61.47 |
| 11 | GPT-OSS-120B | 59.54 |
| 12 | GPT-4.1 | 59.47 |
| 13 | Llama 3.3 70B | 56.36 |
| 14 | Grok 3 | 54.74 |
| 15 | DeepSeek R1 | 54.4 |
Interactive version: theaggregate.ai/benchmark?slug=rubberduckbench · How the rankings work · Data refreshed daily, snapshot 2026-07-22.