Universities are warning students they could be punished for using artificial intelligence (AI) to complete essays.
"Don't take the chance," said Steve West, Vice Chancellor at the University of the West of England (UWE).
It comes after a former University of Bristol student experimented with the ChatGPT bot to get a 2:2 on one of his old essay questions.
"I got 65% and it took two weeks when I did it. ChatGPT was 12 marks off - that's scary," said Pieter Snepvangers.
ChatGPT, which reacts to users in a conversational way, provides convincingly human responses to questions using information from the internet,
Mr Snepvangers' essay was graded at 53% by one of his former lecturers, who was fully aware it had been created using artificial intelligence.