Papers/2609.35797
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Binarization Flattens the Score Space

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evaluationlarge language modelsgradingperformance assessment
2609.35797
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1h ago

Abstract

The paper discusses the limitations of using binary pass/fail verdicts from large language model judges and proposes a method to retain more nuanced grading to better capture performance.

Reality Card

Core Claim

Retaining at least three grades in evaluation improves the assessment of model performance by addressing ambiguities introduced by binarization.

Method / Result

At n=1,024, the test showed at least 96.5% power at a 1.5× stress.

Limitations

The shared-factor reference approximation fit MATH and SciBench but not HealthBench, indicating limited empirical scope.

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