Author

Saurav Muralidharan

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#natural language process... Jun 2026

Zone of Proximal Policy Optimization: Teacher in Prompts, Not Gradients

Zone of Proximal Policy Optimization (ZPPO), inspired by Vygotsky's zone of proximal development, is introduced, which outperforms off/on-policy distillation and GRPO, with the largest gains at the smallest scale.

Byung-Kwan Lee, Ximing Lu, Shi-Zhe Diao et al. · arXiv.org · 2 citations