On the Step Length Confounding in LLM Reasoning Data Selection

Benchmark Model Rank Results
math-word-problem-solving-on-mathQwen3-8B-Base (Aslec-casl)#7Accuracy: 85.4
mathematical-reasoning-on-aime24Qwen3-8B-Base (Aslec-casl)#87Acc: 45.0
mathematical-reasoning-on-aime-2025Qwen3-8B-Base (Aslec-casl)#102Accuracy: 37.5