Author

Fakhri Karray

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Jul 2026

Towards Robust Reinforcement Learning for Small-Scale Language Model Agents

A capacity-headroom hypothesis is proposed, which states that PPO performance at the SLM scale depends on both a fluent supervised model and a discriminative reward signal, rather than on the number of model parameters.

Md. Rezwanul Haque, Md. Milon Islam, Fakhri Karray · arXiv.org · 0 citations