Physicist at Anthropic
Appears in 1 story
Co-led the Claude nine-loop computation with Liam Fitzpatrick
A small physics calculation just became a marker for AI capability. The six-particle scattering amplitude in planar N=4 super-Yang-Mills, a favorite testing ground for theorists, had sat at eight loops since 2023—until Anthropic's Claude pushed it to nine in late August 2026, running unsupervised for days at a cost of a few thousand dollars.
Updated 1 hour ago
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