Which reviews were made by ChatGPT? (IMAGE) Johns Hopkins University Caption A popular machine-text detector GPTZero misidentifies the first review as being written by a human. All three reviews are machine generated using GPT-4. Credit Johns Hopkins University Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.