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Introducing Claude Fable 5.2 and Claude Mythos 5.2
— Anthropic
Anthropic upgrades Fable and Mythos, the same underlying model with different safeguards, for its most ambitious technical work. They bring gains in coding, reasoning and vision, run up to 30% faster than 5.1, and cost $8/$40 per million input/output tokens, with an optional fast mode that speeds up generation by up to 2.5x.
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