New Paper Explains PPO Value Function Failures, Proposes BPCO
A new paper identifies the root causes of unstable value functions in PPO for LLM training and proposes Best Practice Critic Optimization (BPCO), a set of best practices for reliably training the Critic.
2026-08-27 ~ 2026-08-27 · 2 related posts
- Best practices for reliable critic training in LLM RL — heghbalz · 2026-08-27
- Paper reveals why PPO value functions fail, proposes BPCO for stable training — heghbalz · 2026-08-27