Next-Chunk Reasoning RL vs Mixed SFT for no-CoT Data
August 23, 2026
This study compares next-chunk reasoning reinforcement learning against Mixed SFT for training on reasoning-rich data lacking explicit chain-of-thought annotations. The researchers find that a single Mixed SFT stage combining no-CoT and long-CoT data serves as a strong, often overlooked baseline.
HOW THIS AFFECTS YOU
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researcherYou should consider Mixed SFT as a competitive baseline when evaluating new RL training strategies for reasoning.