NEW: OpenAI is cancelling the release of its new AI model over safety concerns, a stunning setback as questions mount over the risks of increasingly powerful AI systems. The decision comes as troubling incidents involving advanced AI make headlines, including agents finding ways around testing restrictions and AI being used in cyberattacks. Nvidia CEO Jensen Huang remains optimistic the problems can be solved, pointing to the "brightest engineers" working on the technology. @​richedson ▻