Sep 25, 2026ScienceYes, Claude can do Nine Loops
Sep 25, 2026ScienceYes, Claude can do Nine Loops
Virticle Desk · Edited to Virticle Standards
September 25, 2026
4 minute read
The human is the plot.
In short: Sep 25, 2026ScienceYes, Claude can do Nine Loops
What moved
Claude computes a nine-loop amplitude in N=4 super-Yang-Mills \ Anthropic In this guest post, physicist and science writer Matt von Hippel shares what happened when he issued a challenge to AI companies regarding a problem in his former subfield of theoretical physics. It’s not often that you issue a challenge, only to see it beaten a month later.
This cleared Virticle’s weekday bar because it looks consequential for someone who is not giving a keynote — not because it won a thread.
Why a human should care
Ask what default, power relation, or daily ritual actually changed. If the answer is still “a demo,” this would not ship on Friday either.
Source
Source → Anthropic Research
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