{"type": "article", "title": "When Does External Guidance Help LLM Reasoning? A Bias-Variance Theory of Guidance-Augmented GRPO", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/when-does-external-guidance-help-llm-reasoning-a-bias-variance-theory-of-grpo", "original_source": "https://arxiv.org/abs/2610.06861", "published": "2026-10-07T04:00:00+00:00", "accessed": "2026-10-07", "id": "when-does-external-guidance-help-llm-reasoning-a-bias-variance-theory-of-grpo"}