OpenAI GPT-4.5 announcement livestream: Watch it live

Amazon stole the show with its Alexa+ AI announcements on Wednesday, but OpenAI isn't waiting around for another chance in the spotlight.The company behind ChatGPT announced on X on that it would livestream...something at 3 p.m. ET on Thursday. The livestream will be...somewhere, presumably, at that time. The tweet features zero other usable information of any sort, like a link or even a reference to which website the stream will be on. It could be on OpenAI's X account, or OpenAI's website, or