Earlier in 2023, an open letter surfaced unexpectedly on the website of the Future of Life Institute, catching the public’s attention. Notable figures from science and technology, such as Elon Musk, Steve Wozniak, and Yuval Harari, are among its signatories. The letter urges that, in the interest of human well-being, the development of AI models exceeding the capabilities of GPT-4 must be suspended immediately.