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Pivotal Token Search (PTS): Targeting Critical Decision Points in LLM Training (huggingface.co)
2 points by codelion 7 months ago | hide | past | favorite | 1 comment


Hey, really cool work love the idea of focusing on key decision points. I was curious though since confidence can be non monotonic during CoT[1], how does binary search handle cases where there are multiple ups and downs in confidence? It seems like there might be more than one "pivotal" token, so I wonder if there's a plan to support multi-token pivots or use a different approach than binary search?

[1] - https://arxiv.org/abs/2505.14489




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