TL;DR for operators Nguyen’s paper is not another “AI writes code” victory lap. It is more useful than that. It documents a 12-work-day, 57-session case in which a physicist supervised Claude Code, using Sonnet and Opus models, to build clax-pt, a JAX implementation of a differentiable one-loop perturbation theory module validated against the established C reference code class-pt.1 ...
Shipping Is the Part Agents Usually Skip Shipping is where confidence goes to die. A demo agent can impress everyone on Tuesday, receive a clever prompt update on Wednesday, and quietly break three workflows that were working last week. The aggregate score improves. The release notes look cheerful. Somewhere, a previously solved customer task becomes unsolved again. Naturally, everyone calls this “iteration,” because “we broke production while chasing a benchmark bump” sounds less strategic. ...