The First AI QFT Textbook

The first surprise of this afternoon was finally finding an informed and sensible discussion of the implications of AI agents for hep-th research, in the form of a twitter thread by stringking42069. The second was learning from the twitter thread about Xi Yin’s ongoing project to have GPT 5.5 write a QFT textbook under his supervision. The past week there had been rumors that he was hired by OpenAI. If he’s now on their payroll, what he’s getting paid to do presumably is this textbook, which is a very active ongoing project. The current state of the textbook is at this github repository. I don’t see a pdf anywhere there, but you can get the tex files by cloning the repository with git clone https://github.com/xiyin137/QFT and then tex’ing monograph/tex/main.tex He’s working on this right now, with latest changes 6 minutes ago. What I downloaded produced a 3527 page pdf document. I’ve just skimmed through the thing, and it’s quite fascinating, raising a host of questions. This is…