Here is small example of ChatGPT giving a wrong answer without expressing any doubt (aka bullshitting):
https://chatgpt.com/share/69d78ec7-67b0-8395-9fd1-522b760ab5...
GPT-5.4 Thinking, Pro account.
https://chatgpt.com/share/69d78ec7-67b0-8395-9fd1-522b760ab5...
GPT-5.4 Thinking, Pro account.
I'm also just confused by the implication behind their question, is the idea that GPT-5.4 Thinking has never been confidently wrong, ever, about anything?