Claude Fable 5 - Full 319 page Breakdown
AI Explained · 33:59
Claude Fable 5 (same underlying weights as Mythos 5, but with heavier safeguards) is, after the host’s roughly 100 tests plus Anthropic’s 319-page system card, a real step up from Opus 4.8, GPT-5.5, and Gemini 3.1 Pro...