"rogue" and "off leash" mean the same thing, the thing is not under control

To go "rogue" is to go against the control

To be "off leash" is to not be controlled

By releasing the automation, as the article says, without controls*, is what makes makes it "off leash" and not gone "rogue"

*"OpenAI gave the models a task with no answer, and no way to quit."