{"type": "article", "title": "Anthropic just dropped Claude Fable 5.1 and Mythos 5.", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/anthropic-just-dropped-claude-fable-5-1-and-mythos-5", "original_source": "https://promptcube3.com/en/threads/8717/", "published": "2026-09-03T16:00:45+00:00", "accessed": "2026-09-03", "id": "anthropic-just-dropped-claude-fable-5-1-and-mythos-5"}