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Sponsored AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI

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Sungho Bae

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#machine learning Preprint Oct 2026

Where to Start, How to Move: Analyzing Curricula under GRPO for Long-Horizon LLM Agents

Group Relative Policy Optimization (GRPO) provides no reward-relative learning signal when all rollouts receive identical rewards. In long-horizon tasks that require multiple interactions, rewards are given only upon successful task completion, making all-fail groups common early in training and limiting opportunities...

Minchan Kim, Sungho Bae, Young-Jin Kim et al. · 0 citations

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