An open letter calls for a six-month break on powerful AI training efforts. The idea is to develop safety and oversight systems and otherwise allow time for consideration of the tech’s rapid development. But the letter also urges more coordination between AI developers and policymakers. It describes a “robust AI governance” regime that would include AI-dedicated regulators; oversight and tracking of AI systems; watermarking to help people discern real and fake images; liability for any harm caused by AI; and public funding of AI safety research. An open letter calls for a six-month break on powerful AI training efforts. The idea is to develop safety and oversight systems and otherwise allow time for consideration of the tech’s rapid development.