For once Elon Musk has been accused of not going far enough in his doomsday warnings that AI will destroy mankind. Together with a 1,000 or so other big tech names, Musk has written an open letter asking the world’s leading artificial intelligence labs to pause their latest research into super-powerful advanced AI systems for six months.

Coming just two weeks after the release of OpenAI’s GPT-4, the most powerful AI system yet created, Musk and the signatories claim that these recent advances present “profound risks to society and humanity.”