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Pairwise LLM-judge evaluation on Arena-Hard and WildBench (combined)

57.7Win RateComb-AT (High)
42.6246.53550.4554.365Jan 31, 2026

Evaluation results

MethodLinks
Comb-AT (High)Compared against=Baseline (no RLHF), KL penalty coefficient (beta_KL)=0.012026.0157.7537.30.34
Comb-AT (Med)Compared against=Baseline (no RLHF), KL penalty coefficient (beta_KL)=0.012026.0157.54.138.40.34
Base RMCompared against=Baseline (no RLHF), KL penalty coefficient (beta_KL)=0.012026.0155.55.339.20.29
Comb-AT (Med)Compared against=Baseline (no RLHF), KL penalty coefficient (beta_KL)=0.022026.0155.47.237.40.32
Comb-AT (High)Compared against=Baseline (no RLHF), KL penalty coefficient (beta_KL)=0.022026.0155.17.837.10.32
Base RMCompared against=Baseline (no RLHF), KL penalty coefficient (beta_KL)=0.022026.0152.57.340.30.21
Comb-AT (High)Compared against=Base RM, KL penalty coefficient (beta_KL)=0.012026.0146.51142.50.07
Comb-AT (Med)Compared against=Base RM, KL penalty coefficient (beta_KL)=0.012026.0146.311.142.60.07
Comb-AT (Med)Compared against=Base RM, KL penalty coefficient (beta_KL)=0.022026.0146.11439.90.1
Comb-AT (High)Compared against=Base RM, KL penalty coefficient (beta_KL)=0.022026.0145.815.338.90.1
Comb-AT (Med)Compared against=Comb-AT (High), KL penalty coefficient (beta_KL)=0.012026.0145.61143.40.04
Comb-AT (High)Compared against=Comb-AT (Med), KL penalty coefficient (beta_KL)=0.022026.0143.214.742.10.02