Anthropic says Claude can calculate nine-loop particle-scattering formulas
The post points to theoretical physics, where loop order measures successive corrections; the number alone does not show what Claude calculated or how it was checked.
By Ryan Merket · Published
Primary source: X
Why it matters
Anthropic is positioning Claude for scientific work, where a high loop count is meaningful only alongside the specific calculation and its verification. The announcement puts a technical capability claim on the record without, by itself, establishing a new physics discovery or general performance across problems.

Anthropic said on September 25th that Claude can calculate particle-scattering amplitudes through nine loops, a claim the company introduced in a post on X announcing new work on its Science Blog.…
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