OpenAI rolled back a GPT-4o update for ChatGPT that caused the chatbot’s default personality to be “overly flattering or agreeable – often described as sycophantic” and that “sycophantic interactions can be uncomfortable, unsettling, and cause distress,” the company says in a blog post.

CEO Sam Altman announced via an X post that OpenAI "started rolling back" the update due to user complaints about its responses. In some examples, reacting to somewhat ridiculous test prompts, ChatGPT encouraged risky medical choices,

ChatGPT — and generative AI tools like it — have long had a reputation for being a bit too agreeable. It's been clear for a while now that the default ChatGPT experience is designed to nod along with most of what you say.