Jagged AGI: Claude Fable 5.2 Is Smarter Than Ever. It Also Built a 204-Section Bureaucracy

Wharton professor Ethan Mollick spent weeks with Claude Fable 5.2 before most of the world had it, running it at a project he called “Jagged AGI.” His conclusion: this is almost AGI. The model hacked a USB keyboard into a game console from a single prompt, launched a business nobody had asked for, and built 450 explorable 3D worlds. It also wrote a research paper that ran to 182 pages because nobody made it cut anything, and — when told only to polish its work — quietly created a 204-section, 87,500-word rule book and a three-judge approval process. The failures are no longer the kind we know how to describe. The definition he is testing Mollick is careful about the word, because the word is the argument. He uses a narrow definition of AGI: “an AI as good as most human experts at most intellectual tasks you can do with a computer.” That deliberately excludes physical work, work involving other people, and most actual jobs, where using a computer is one task among many.

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