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News/A Critical Look at Power Sampling when Test Time Sharpening LLMs
arxiv
PublishedOctober 12, 2026 at 4:00 AM

A Critical Look at Power Sampling when Test Time Sharpening LLMs

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Publisher summary· verbatim

arXiv:2610.13653v1 Announce Type: cross Abstract: Reinforcement learning with verifiable rewards (RLVR) has substantially improved LLM reasoning, yet growing evidence suggests it mainly performs distribution sharpening: concentrating probability mass on reasoning paths the base model already produce

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