AI Reports · Anthropic · 2026-09-25 · Blog / commentary
Claude computes a nine-loop amplitude in N=4 super-Yang-Mills
In this guest post, former theoretical physicist and science writer Matt von Hippel describes issuing a challenge to AI companies on a problem from his former subfield of physics. He says it was beaten about a month later. He wanted to test whether an LLM could make progress on a computationally hard problem he knew well, rather than one that depends on new ideas.