A small experiment repository comparing a base reasoning model against RLVR-GRPO checkpoints on the Math500 dataset. It includes evaluation results, short-form observations, and a local temp_clone of the full open-posttraining-system codebase for reference.
reinforcement-learning post-training evaluating-models policy-optimization sparse-rewards reasoning-models rlvr-grpo math500 grpo-checkpoint open-posttraining-system
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Updated
Jun 17, 2026 - Jupyter Notebook