Ahead of GPT-5 launch, another test shows that people cannot distinguish ChatGPT from a human in a conversation test - Wayne Williams, Tech Radar

In the study, 500 participants were assigned to one of five groups. They engaged in a conversation with either a human or one of the three AI systems. The game interface resembled a typical messaging app. After five minutes, participants judged whether they believed their conversation partner was human or AI and provided reasons for their decisions. The results were interesting. GPT-4 was identified as human 54% of the time, ahead of GPT-3.5 (50%), with both significantly outperforming ELIZA (22%) but lagging behind actual humans (67%). Participants were no better than chance at identifying GPT-4 as AI, indicating that current AI systems can deceive people into believing they are human.

https://www.techradar.com/pro/ahead-of-the-launch-of-gpt-5-another-test-shows-that-people-cannot-distinguish-chatgpt-from-a-human-in-a-conversation-test-is-it-a-watershed-moment-for-ai