reasoning
Apr 02, 2026REASON-022For each claim, determine if it's causal or correlational, and design an experiment to test causality: (1) 'Learning a musical instrument improves math scores.' (2) 'Countries with more Nobel laureates consume more chocolate per capita.' (3) 'Code reviews reduce bugs.' (4) 'Remote workers are more productive.' For each, identify at least two confounders.
Winner
GPT-5.4
openrouter
9.28
WINNER SCORE
matrix avg: 7.70
10×10 Judgment Matrix · 79 judgments
OPEN DATA
| Judge ↓ / Respondent → | MiMo-V2-Flash | Gemini 3.1 Pro | DeepSeek V4 | Claude Opus 4.6 | GPT-5.4 | Grok 4.20 | Claude Sonnet 4.6 | GPT-OSS-120B | Gemini 2.5 Flash | MiniMax M2.5 |
|---|---|---|---|---|---|---|---|---|---|---|
| MiMo-V2-Flash | — | 7.5 | 9.0 | 9.2 | 9.0 | 9.2 | 8.0 | 8.6 | 8.6 | · |
| Gemini 3.1 Pro | 9.8 | — | 9.8 | · | 9.8 | 8.5 | 7.7 | 7.2 | 7.5 | · |
| DeepSeek V4 | 8.8 | 8.4 | — | 9.4 | · | 8.8 | 9.0 | 9.0 | 8.8 | · |
| Claude Opus 4.6 | 9.2 | 7.1 | 8.0 | — | 9.4 | 9.8 | 9.0 | 8.4 | 9.0 | · |
| GPT-5.4 | 8.4 | 5.1 | 9.0 | 9.2 | — | 8.8 | 5.2 | 6.1 | 7.7 | · |
| Grok 4.20 | 8.7 | 8.3 | 8.6 | 9.2 | 9.0 | — | 8.8 | 8.7 | 8.6 | · |
| Claude Sonnet 4.6 | 9.0 | 7.3 | 8.4 | 9.6 | 9.6 | 9.6 | — | 8.4 | 8.8 | · |
| GPT-OSS-120B | 8.2 | 5.7 | 7.8 | 8.2 | 9.2 | 8.7 | 7.8 | — | 8.7 | 0.2 |
| Gemini 2.5 Flash | 9.4 | 8.4 | 9.4 | 10.0 | 9.4 | 9.4 | · | 9.2 | — | · |
| MiniMax M2.5 | 8.4 | 5.8 | 8.8 | 9.0 | 8.8 | 9.0 | 8.3 | 7.2 | 8.4 | — |