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reasoning
Mar 18, 2026EVAL-20260318-162808

Hospital A has a higher survival rate than Hospital B for both heart surgery (A: 90%, B: 85%) and knee surgery (A: 95%, B: 92%). But Hospital B has a higher overall survival rate (B: 91%, A: 89%). (1) Construct exact numbers that produce this paradox. (2) Which hospital is actually better? (3) A health insurance company uses overall survival rate to recommend hospitals. What goes wrong? (4) How should the comparison be done correctly?

Winner
Claude Sonnet 4.6
openrouter
9.71
WINNER SCORE
matrix avg: 8.37
results.json report.mdFull dataset (CSV) →
10×10 Judgment Matrix · 20 judgments
OPEN DATA
Judge ↓ / Respondent →MiniMax M2.7MiniMax M2.5MiniMax M2.1MiniMax M2MiniMax M1MiniMax-01Claude Sonnet 4.6GPT-5.4
MiniMax M2.7····6.210.09.8
MiniMax M2.5····7.010.09.8
MiniMax M2.1····5.010.0·
MiniMax M2····6.310.09.6
MiniMax M1····7.710.09.3
MiniMax-01·····9.89.6
Claude Sonnet 4.6·····6.58.0
GPT-5.4·····4.08.2