The Death of RLHF: A Practitioner’s Guide to the New Post-Training Stack

📰 Medium · Deep Learning

Learn why RLHF is being replaced by new post-training methods like GRPO, DAPO, and RLVR, and how to adapt to the new stack

advanced Published 17 Apr 2026
Action Steps
  1. Read about the limitations of RLHF and its replacement by GRPO, DAPO, and RLVR
  2. Explore the Towards AI article for a deeper dive into the new post-training stack
  3. Implement GRPO, DAPO, or RLVR in your current project to improve performance
  4. Compare the results of the new methods with traditional RLHF
  5. Apply the new stack to real-world problems and evaluate its effectiveness
Who Needs to Know This

Machine learning engineers and researchers working on reinforcement learning and post-training methods will benefit from understanding the shift away from RLHF and how to implement the new stack

Key Insight

💡 The old RLHF recipe is broken, and new methods like GRPO, DAPO, and RLVR have emerged as replacements, offering improved performance and efficiency

Share This
🚨 RLHF is dead! 🚨 Learn about the new post-training stack: GRPO, DAPO, and RLVR #RLHF #PostTraining #MachineLearning
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