When Does Muon Help Agentic Reinforcement Learning?

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发生了什么

Researchers tested Muon optimizer on reinforcement learning post-training for language models, finding it outperforms AdamW in sparse-reward agent tasks with proper hyperparameter tuning.

为何重要

Matters for engineers optimizing language models for agentic RL tasks, especially when tuning learning rates and advantage estimators for policy training.

注意

Results are single-seed experiments on one task and model size. Multi-seed validation and cross-task generalization remain unverified, limiting confidence in broad applicability.