LONDON—Four artificial intelligence experts have expressed concern after their work was cited in an open letter—co-signed by Elon Musk—demanding an urgent pause in research.
The letter, dated March 22 and with more than 1,800 signatures by Friday, called for a six-month circuit-breaker in the development of systems “more powerful” than Microsoft-backed OpenAI’s new GPT-4, which can hold human-like conversation, compose songs, and summarize lengthy documents.
