{"type": "article", "title": "Anthropic launches Claude Fable 5.1 and Mythos 5.1", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/anthropic-launches-claude-fable-5-1-and-mythos-5-1", "original_source": "https://www.testingcatalog.com/anthropic-launches-claude-fable-5-1-and-mythos-5-1/", "published": "2026-09-01T23:59:59+00:00", "accessed": "2026-09-07", "id": "anthropic-launches-claude-fable-5-1-and-mythos-5-1"}