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News/ExTra: Exploratory Trajectory Optimization for Language Model Reinforcement Learning
arxiv
PublishedJune 25, 2026 at 4:00 AM
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ExTra: Exploratory Trajectory Optimization for Language Model Reinforcement Learning

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arXiv:2606.24994v1 Announce Type: new Abstract: Reinforcement Learning with Verifiable Rewards (RLVR) for language-model reasoning can fail at both extremes of task difficulty: easy prompts often produce all-correct, low-diversity rollout groups with little gradient signal, while hard prompts can pr

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