Author

Fu-Li Feng

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Preprint Jul 2026

CAST: Game Solvers as Turn-Level Teachers for LLM Agents

CAST (Credit Assignment from Solver Teachers), which converts value changes in a game solver's state value into solver advantages and injects them into RLVR as turn-level signals and achieves the highest average zero-shot performance on ALFWorld and WebShop.

Yu Wang, Yi-Kai Zhang, Wentao Shi et al. · 0 citations