1,000 AI agents re-proved Fermat's Last Theorem in 30 hours — but only because output is machine-checkable

petrusenko_max · x · 2026-11-12

Anthropic previously formalized Fermat's Last Theorem into a computer-checkable proof in 11 days; this week it reported a second run where a team of 1,000 AI agents cut that to 30 hours.

The follow-up observation: a thousand agents only add up because the output is machine-checkable — and most real-world work has no such verification, so scaling agent count doesn't transfer to general tasks.

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