Artificial intelligence company OpenAI is expected to release its much-anticipated GPT-5 model this week, just days after the tech unicorn launched two new open-weight reasoning models. San Francisco-based OpenAI hinted as much in an all-caps post on X that read: “LIVE5TREAM THURSDAY 10 AM PT.” While there appeared to be a typo in the first word of that announcement, many of those who posted comments got the hint that the misplaced “5” could be about GPT-5. In a subsequent post on his personal X...