{"type": "article", "title": "Claude Fable 5.1 vs. Fable 5: On real work, I couldn’t tell them apart.", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/claude-fable-5-1-vs-fable-5-on-real-work-i-couldnt-tell-them-apart", "original_source": "https://thenewstack.io/claude-fable-upgrade-tested/", "published": "2026-09-05T15:00:00+00:00", "accessed": "2026-09-07", "id": "claude-fable-5-1-vs-fable-5-on-real-work-i-couldnt-tell-them-apart"}