active-reader-grpo-v3

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PARAMS USED: beta=0 efficiency_weight=0.5 lr=5e-6 max_grad_norm=0.5

FINAL RESULTS: Final reward: 0.37–0.42 (stable throughout) KL: 0.0 (perfectly stable, beta=0) frac_reward_zero_std: 0.125 (good diversity, no collapse) mean_length: ~270 tokens (notably shorter than the SFT baseline, promising signal)

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Framework versions

• PEFT 0.18.1