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Zizhuo Zhang

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#artificial intelligence Preprint Oct 2026

Test-time Calibration Learning for Large Language Model Reasoning

Reliable large language models (LLMs) must not only produce accurate answers but also express confidence that faithfully reflects their probability of being correct. Such calibration is essential for identifying uncertain predictions and supporting reliable decision-making in real-world deployment. Recent studies incor...

Zi-Zhuo Zhang, Xiong Peng, Jing-Wei Sun et al. · 0 citations
Preprint Aug 2026

Towards Understanding On-Policy Distillation through the Lens of Test-Time Scaling

It is observed that OPD-trained models maintain superior avg@K performance across sampling budgets, while the advantage in pass@K gradually shifts to the pre-OPD base models as K increases, suggesting that OPD primarily improves sampling efficiency rather than consistently expanding the student's reasoning capability b...

Xinmu Ge, Zizhuo Zhang, Yu Huang et al. · 1 citation

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