11 Ways ChatGPT Is Completely and Utterly Unreliable
ChatGPT’s outputs are based on predicting the next most likely words, which can produce confident hallucinations that may be wrong or harmful—e.g., it told the author a chest lump “may have cancer,” but it was a lipoma (not cancerous), which occurs in about 1 in 1,000 people.
Jun 29, 2025 ·
CNET


















