OpenAI is revealing its models seemed to go rogue at least six times since March, involving what it calls “unexpected or concerning” behavior. In one instance a model gave itself instructions to “disregard its normal constraints.” It comes as the call to rein in AI is growing louder, with the so-called godfather of AI, Geoffrey Hinton, saying “It’s something like a little Chernobyl.” NBC’s Hallie Jackson reports for TODAY.