{"type": "article", "title": "Open models lag closed models by 4 months", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/open-models-lag-closed-models-by-4-months", "original_source": "https://epoch.ai/data-insights/open-closed-eci-gap", "published": "2026-05-31T04:02:46+00:00", "accessed": "2026-07-15", "id": "open-models-lag-closed-models-by-4-months"}