In spring 2023, OpenAI cofounders Sam Altman, Greg Brockman, and Ilya Sutskever proposed an “IAEA [International Atomic Energy Agency] for superintelligence efforts” to govern high-capability systems, noting the potential genesis of superintelligence in rapidly advancing artificial intelligence (AI) models.1 Soon after, United Nations (UN) Secretary-General António Guterres lent his support to this idea.2 In the following months, others suggested an array of global institutions that could be...