Goldilocks RL: Tuning Task Difficulty to Escape Sparse Rewards for Reasoning

arXiv:2602.14868 · cs.LG, cs.AI · Submitted 2026-02-16 · Read on arXiv

cs.LG, cs.AI

Submitted: 2026-02-16

Updated: 2026-10-02

Terminology

• GRPO — 2× in this paper · explained in 6 episodes
• Reinforcement Learning — 1× in this paper · explained in 4 episodes

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