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Pablo Samuel Castro

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#artificial intelligence Preprint Sep 2026

GlyphBench: A Playground for Language-Model Reinforcement Learning

We introduce GlyphBench, an environment suite for reinforcement learning (RL) post-training of language-model agents, with over 360 tasks spanning diverse games. GlyphBench renders spatial observations as two-dimensional Unicode grids and connects training, evaluation, and trajectory replay through a unified interface...

Roger Creus Castanyer, Marc-Alexandre Côté, Matthew J. Sargent et al. · 0 citations

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