{"type": "article", "title": "Test-Time Compute and GRPO in Practice: From PPO to Critic-Free Reinforcement Learning", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/test-time-compute-and-grpo-in-practice-from-ppo-to-critic-free-reinforcement", "original_source": "https://dev.to/ifnodoraemon/test-time-compute-and-grpo-in-practice-from-ppo-to-critic-free-reinforcement-learning-4gpn", "published": "2026-09-20T03:13:28+00:00", "accessed": "2026-09-20", "id": "test-time-compute-and-grpo-in-practice-from-ppo-to-critic-free-reinforcement"}