الباحثون

Zhichao Wang

المنشورات 2

نسخة أولية وصول مفتوح

How Should a Prompt Optimizer Spend a Tight Budget? BudgetAPO with Noise-Adaptive Evaluation

Haoyue Liu, Zhichao Wang, Huanyu Yan وآخرون · 2026

Automatic prompt optimization (APO) has been widely employed to adapt large language models without updating their weights, yielding promising results. However, existing methods such as GEPA and OPRO assume hundreds to thousands of subject-model calls, far more than is practical behind paid, rate-limited APIs. Under ti …

نسخة أولية وصول مفتوح

How Should Teachers Be Prepared? RL on Student-Induced States for On-Policy Distillation

Xiaoyu Ma, Haoyue Liu, Zhichao Wang وآخرون · 2026

On-policy distillation (OPD) improves the reasoning capabilities of small language models through token-level teacher supervision on student-generated trajectories. Yet can teachers that excel at solving problems independently also guide student reasoning effectively? Prior work shows that when student prefixes follow …

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