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Table of Contents Toward DeepSeek-R1: Building Thinking Models Using GRPO How Group Relative Policy Optimization (GRPO) Works Core GRPO Objective Group Relative Advantage Estimation Clipped Surrogate Objective KL Divergence Regularization Why GRPO Excels in Mathematical Reasoning Intrinsic Support for Verifiable…

Table of Contents Post Training Qwen3 for Math Reasoning Using GRPO Group Relative Policy Optimization (GRPO) Challenges with Proximal Policy Optimization (PPO)? Computational Overhead and Memory Requirements Value Function Instability and Representation Collapse Hyperparameter Sensitivity and Training Instability Bias in…