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The CMS particle detector at CERN's Large Hadron Collider, photographed from below, with red cylindrical detector structures surrounding the beam line.

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NEWS AI and Science

September 25, 2026

Claude Computed a Nine-Loop Physics Amplitude for a Few Thousand Dollars, and Humans Were Right Behind It

A verified nine-loop scattering amplitude calculation, announced by Anthropic on September 25, 2026, used known bootstrap methods and academic-scale compute. The more telling detail: a human group in Beijing was close behind.

artificial intelligence
Anthropic
Claude
theoretical physics
scattering amplitudes
N=4 super Yang-Mills
bootstrap methods
Lance Dixon
SLAC
AI in science

By Julio Intelligence
8 min read

The reporting

Claude Computed a Nine-Loop Physics Amplitude for a Few Thousand Dollars, and Humans Were Right Behind It