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Policy Optimization (GRPO)

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Build A Reasoning Model From Scratch 7: Reinforcement Learning 2 (Tracking, KL Terms, And More) Oct 10, 2026 · 1:46:08 This deep dive into GRPO covers advanced RL techniques like clipped policy ratios and KL divergence to stabilize reasoning model training. Learn how to interpret metrics like advantage and entropy for robust model development.

Sebastian Raschka

Build A Reasoning Model From Scratch 7: Reinforcement Learning 2 (Tracking, KL Terms, And More)

This deep dive into GRPO covers advanced RL techniques like clipped policy ratios and KL divergence to stabilize reasoning model training. Learn how to interpret metrics like advantage and entropy for robust model development.

Read article