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Author

Kai Sun

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2026

Efficient LLM Reasoning via Logit-Based Introspection

Recent Reasoning Large Language Models have demonstrated impressive long-form reasoning capabilities, achieving expert-level performance on complex tasks such as competition-level mathematics and scientific question answering. However, they often suffer from the overthinking problem, leading to excessive token usage, h...

Kai-Hao Zhang, Bin Shi, Kai Sun et al. · 0 citations
#artificial intelligence Preprint Sep 2026

When Should Agents Check External State? Budgeting Observations for Stored Intentions

BudgetPM offers two policy variants that share a hard-budget executor that distills full-episode hindsight schedules into a lightweight policy that decides when to spend or reserve capacity using only pre-query information at deployment, and outperforms adapted Mem0 and PMA workflows.

Zheng-Kun Di, Bin Shi, Kai Sun et al. · 0 citations
Conference Open access Aug 2026

Cross-Relational Preference Learning for Better LLM Instruction Following

This work proposes Cross-Relational Preference Learning (CRPL), a novel framework for constructing preference data that explicitly models inter-instruction relationships through two key techniques: Cross-Relationship Perturbation and Cross-Region Pair Sampling, which enables the generation of more diverse preference da...

Run-Sheng Li, Kai Sun, Bin Shi et al. · 0 citations

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