OpenAI on Thursday released GPT-6 Astra, which president Greg Brockman called a "generational leap" and said could eventually be seen as the arrival of artificial general intelligence, or AGI.Why it matters: Astra pushes AI agents closer to doing complex professional work on their own — while also raising questions about how safely they can be deployed.Driving the news: Brockman says he personally believes OpenAI has reached AGI, while leaving users to decide whether Astra meets that definition....