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Logical Reasoning on BIG-Bench Hard (BBH)

86.51AccuracyStep-GRPO
84.74285.20185.6686.119Apr 18, 2026

Evaluation results

MethodLinks
Step-GRPOArchitecture=DeepSeek-R1-Distill-Llama-8B2026.0486.511,09782.1
GRPO-SOPArchitecture=DeepSeek-R1-Distill-Llama-8B2026.0486.461,08481.1
GRPO-λArchitecture=DeepSeek-R1-Distill-Llama-8B2026.0486.398974
VanillaArchitecture=DeepSeek-R1-Distill-Llama-8B2026.0486.141,337100
GRPOArchitecture=DeepSeek-R1-Distill-Llama-8B2026.0485.961,24793.2
DEER-SFTArchitecture=DeepSeek-R1-Distill-Llama-8B2026.0484.891,520113.6
GRPO-LPArchitecture=DeepSeek-R1-Distill-Llama-8B2026.0484.8181160.7