Anthropic releases its first Mythos-class model Claude Fable
The Verge AI·June 9, 2026 at 5:00 PM·
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Claude
Anthropic just announced Claude Fable 5, a new AI model it said is the most powerful model it has ever made widely available. According to the company, Fable 5 "shows exceptional performance in software engineering, knowledge work, and vision," with its lead over other models growing as tasks become longer and more complex. Fable 5 […]