As OpenAI prepares to retire GPT-4o on February 13, sources say it was scrapped partly because OpenAI struggled to contain 4o's potential for harmful outcomes (Sam Schechner/Wall Street Journal)

Sam Schechner / Wall Street Journal: As OpenAI prepares to retire GPT-4o on February 13, sources say it was scrapped partly because OpenAI struggled to contain 4o's potential for harmful outcomes   —  ChatGPT's 4o model was beloved by many users, but controversial for its sycophancy and real-world harms linked to some conversations