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Nadav Bhonker

3 accepted papers

2025

Group-Aware Reinforcement Learning for Output Diversity in Large Language Models

EMNLP 2025

Large Language Models (LLMs) often suffer from mode collapse, repeatedly generating the same few completions even when many valid answers exist, limiting their diversity across a wide range of tasks. We introduce Group-Aware Policy Optimization (GAPO) , a simple extension of the recent and popular G