Group-in-Group Policy Optimization for LLM Agent Training — interactive visual explainer | Rudrite Research Feng et al. published Group-in-Group Policy Optimization for LLM Agent Training at NeurIPS 2025, introducing a method that provides step-level credit to long-horizon LLM agents without a critic. An interactive visual explainer of the paper is now available online. Group-in-Group Policy Optimization for LLM Agent Training Group-in-group advantages give long-horizon LLM agents step-level credit without a critic. Feng et al. · NeurIPS 2025 · Reasoning & RL. Read the paper ↗ https://arxiv.org/abs/2505.10978 A free, interactive, animated visual explainer of Group-in-Group Policy Optimization for LLM Agent Training — every exhibit computed from the real formulas, with verbatim quotes from the source. Questions - What is Group-in-Group Policy Optimization for LLM Agent Training? - Group-in-group advantages give long-horizon LLM agents step-level credit without a critic. - Who published Group-in-Group Policy Optimization for LLM Agent Training, and where? - Feng et al. — NeurIPS 2025 arXiv:2505.10978 . - Where can I find a visual explainer of Group-in-Group Policy Optimization for LLM Agent Training? - Right here — a free, interactive, animated walkthrough of the whole paper, with exhibits computed from the real formulas and verbatim quotes from the source. Related explainers DeepSeek-R1 /deepseek-r1 Chain-of-Thought Prompting Elicits Reasoning in Large Language Models /chain-of-thought Training language models to follow instructions with human feedback /instructgpt Direct Preference Optimization: Your Language Model is Secretly a Reward Model /dpo DeepSeekMath: Pushing the Limits of Mathematical Reasoning in Open Language Models /deepseekmath Scaling LLM Test-Time Compute Optimally can be More Effective than Scaling Model Parameters /test-time-compute Constitutional AI: Harmlessness from AI Feedback /constitutional-ai DAPO: An Open-Source LLM Reinforcement Learning System at Scale /dapo