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Mathematical Reasoning on MATH500 (Avg@4)

97.5Accuracy (Avg@4)GRPO
80.23684.71889.293.682Dec 1, 2025Dec 17, 2025Jan 3, 2026Jan 20, 2026Feb 5, 2026Feb 22, 2026Mar 11, 2026

Evaluation results

MethodLinks
GRPOBackbone=Qwen3-8B2025.1297.5—
ReProBackbone=Qwen3-8B, Base Training=GRPO2025.1297.2—
OriginalBackbone=Qwen3-8B2025.1296.8—
GR³Category=Performance-oriented RL2026.0389.32,214
DLER-R1-1.5BCategory=Length-oriented RL2026.0387.21,783
GRPOCategory=Performance-oriented RL2026.0385.67,138
Laser-DE-L4096-1.5BCategory=Length-oriented RL2026.0384.61,931
DeepSeek-R1-Distill-1.5BCategory=Initial model2026.0383.95,399
LCR1-1.5BCategory=Length-oriented RL2026.0381.92,520
AdaptThink-1.5BCategory=Length-oriented RL2026.0380.91,649