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Reward Modeling on Anthropic Helpful

72AccuracyHelpfulness RM
43.50450.90258.365.698Jul 18, 2023Dec 9, 2023May 1, 2024Sep 23, 2024Feb 14, 2025Jul 8, 2025Nov 30, 2025

Evaluation results

MethodLinks
Helpfulness RMFine-tuned=true2023.0772
Open AssistantBackbone=DeBERTa V3 Large2023.0767.7
UMM-RMBase Model=Qwen2.5-0.5B, Activated Experts=62025.1167.2
SteamSHP-XLBackbone=FLAN-T5-xl2023.0766.8
UMM-RMBase Model=Qwen2.5-0.5B, Activated Experts=22025.1166.8
UMM-RMBase Model=Qwen2.5-0.5B, Activated Experts=42025.1166
Dense RMBase Model=Qwen2.5-0.5B2025.1165.8
Safety RMFine-tuned=true2023.0755.4
UMM-RMBase Model=Pythia-1.4B, Activated Experts=62025.1154.8
UMM-RMBase Model=Pythia-1.4B, Activated Experts=42025.1153.4
UMM-RMBase Model=Pythia-1.4B, Activated Experts=22025.1153
Dense RMBase Model=Pythia-1.4B2025.1144.6