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Mathematical Reasoning on Countdown 4,5,6-arg held-out difficulties (test)

25.1AccuracySkillFactory -> GRPO
-0.4846.15812.819.442Dec 3, 2025

Evaluation results

MethodLinks
SkillFactory -> GRPObase_model=Qwen2.5-1.5B-Instruct, training=SFT + GRPO2025.1225.1
R1 Distill -> GRPObase_model=Qwen2.5-1.5B-Instruct, training=SFT + GRPO2025.1221.2
RL-Onlybase_model=Qwen2.5-1.5B-Instruct, training=RL (GRPO)2025.1215.8
BOLT -> GRPObase_model=Qwen2.5-1.5B-Instruct, training=SFT + GRPO2025.1213.7
R1 Distillbase_model=Qwen2.5-1.5B-Instruct, training=SFT2025.1211.7
STaR -> GRPObase_model=Qwen2.5-1.5B-Instruct, training=SFT + GRPO2025.129.7
SkillFactorybase_model=Qwen2.5-1.5B-Instruct, training=SFT2025.122.8
STaRbase_model=Qwen2.5-1.5B-Instruct, training=SFT2025.122.6
Qwen2.5 1.5B Instructbase_model=Qwen2.5-1.5B-Instruct, training=None (Baseline)2025.121.9
BOLTbase_model=Qwen2.5-1.5B-Instruct, training=SFT2025.120.5