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arxiv_llm_reliability · Oct 22, 2026 · paper

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Same Luck, Different Choice: Twin-World Credit Assignment for Agentic Reinforcement Learning

arxiv.orgOct 22, 2026
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Agentic reinforcement learning rewards a complete episode, yet the policy needs credit for every decision inside it. Counterfactual branching estimates this credit by re-running the episode after an alternative decisi...

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Same Luck, Different Choice: Twin-World Credit Assignment for Agentic Reinforcement Learning

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