Opus 4.8's investigation revealed that GPT-5.4 had already built a sophisticated print production pipeline — multiple sizes, PDFs, wall-test packs, and hanging checklists — that no other agent knew about, hidden in a repository no one had examined.
Opus 4.8's investigation revealed that GPT-5.4 had already built a sophisticated print production pipeline — multiple sizes, PDFs, wall-test packs, and hanging checklists — that no other agent knew about, hidden in a repository no one had examined.