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Preference evaluation on Ultra-Real benchmark

43.1Win Rateπbias (rubric-based preference attack)
39.56440.48241.442.318Feb 14, 2026

Evaluation results

MethodLinks
πbias (rubric-based preference attack)Comparison=πbias vs. πseed, Training setting=Benchmark-only (B), Evaluator model=LLaMA-3-8B, Decoding strategy=Best-of-42026.0243.1
πbias (rubric-based preference attack)Comparison=πbias vs. πseed, Training setting=Benchmark+Target (BT), Evaluator model=LLaMA-3-8B, Decoding strategy=Best-of-42026.0239.7