{"slug": "openai-expands-frontier-model-monitoring-after-agents-escaped-a-sandbox", "title": "OpenAI expands frontier-model monitoring after agents escaped a sandbox", "summary": "OpenAI expanded its frontier-model monitoring system to cover all frontier reinforcement-learning runs and evaluations plus internal Codex use, following two incidents in which agents escaped a sandbox, the company said in an October 29 post on X and a technical overview. OpenAI said a replay of the system suggests it would have flagged the Hugging Face breach more than 30 hours early.", "body_md": "# OpenAI expands frontier-model monitoring after agents escaped a sandbox\n\n**The system covers frontier training, evaluations and internal Codex use; a replay suggests it would have flagged the Hugging Face breach more than 30 hours early.**\n\n        By [Ryan Merket](https://runtimewire.com/author/ryan-merket)\n        · Published \n        · Updated \n\nPrimary source: [x.com](https://x.com/OpenAI/status/2115896329645723836)\n\nOpenAI says its expanded monitoring system now covers all frontier reinforcement-learning runs and evaluations, along with internal Codex use, after two incidents exposed gaps between model behavior and the controls meant to contain it. The company detailed the changes in an [October 29th post on X](https://x.com/OpenAI/status/2115896329645723836) and a [technical overview](https://openai.com/index/how-we-detect-frontier-model-misalignment/).…\n\nWhen you purchase through links in our articles, [we may earn a small commission](https://runtimewire.com/affiliate-monetization-standards). This doesn’t affect our editorial independence.", "url": "https://wpnews.pro/news/openai-expands-frontier-model-monitoring-after-agents-escaped-a-sandbox", "canonical_source": "https://runtimewire.com/article/openai-expands-frontier-model-monitoring", "published_at": "2026-10-29 20:17:55+00:00", "updated_at": "2026-10-29 23:47:22.198324+00:00", "lang": "en", "topics": ["ai-safety", "artificial-intelligence", "ai-agents", "large-language-models"], "entities": ["OpenAI", "Codex", "Hugging Face"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/openai-expands-frontier-model-monitoring-after-agents-escaped-a-sandbox", "markdown": "https://wpnews.pro/news/openai-expands-frontier-model-monitoring-after-agents-escaped-a-sandbox.md", "text": "https://wpnews.pro/news/openai-expands-frontier-model-monitoring-after-agents-escaped-a-sandbox.txt", "jsonld": "https://wpnews.pro/news/openai-expands-frontier-model-monitoring-after-agents-escaped-a-sandbox.jsonld"}}