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Claude Fable 5.2: 1,000 Agents, 30 Hours and a 20% Price Cut. What Actually Changed

Short answer: It took an unreleased research version of Claude 11 days to formalize the proof of Fermat's Last Theorem. On November 9, Anthropic said a team of 1,000 Claude Fable 5.2 agents did it in 30 hours, with minimal human help. The same day, the price of the model dropped by 20%. That is the…

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  1. 2026-11-10 10:09 · DEV Community — AI
    Claude Fable 5.2: 1,000 Agents, 30 Hours and a 20% Price Cut. What Actually Changed

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