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Demystifying Policy Optimization in RL: An Introduction to PPO and GRPO

May 26, 2025

A beginner-friendly guide to PPO and GRPO: simplifying policy optimization in reinforcement learning

The post Demystifying Policy Optimization in RL: An Introduction to PPO and GRPO appeared first on Towards Data Science.

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⟵ Can LLMs Really Judge with Reasoning? Microsoft and Tsinghua Researchers Introduce Reward Reasoning Models to Dynamically Scale Test-Time Compute for Better Alignment
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