Physicist assesses Claude's nine-loop scattering amplitudes: easier than a Millennium problem, but still surprising
burny_tech · x · 2026-09-26
Physics blogger 4gravitons weighs in on Anthropic's claim that Claude completed a nine-loop scattering amplitude calculation: it's far easier than a Millennium problem — the problem has a clear recipe honed over multiple papers, and another group got most of the result around the same time with much less AI assistance. Still, he notes others will be surprised that affordable Claude Science could do it with little guidance; each added loop multiplies computation exponentially, and most calculations stop at two or three loops.
Related event: Claude Breaks Nine-Loop Physics Record, Scooping Human Team(27 posts)→
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