FILE - An attendee walks past a display at the Baidu World conference in Beijing, on Nov. 1, 2018. Chinese search engine and artificial intelligence firm Baidu on Tuesday, Oct. 17, 2023, unveiled the latest version of its artificial intelligence model Ernie 4.0, claiming that it rivals models such as GPT-4 in the U.S (AP Photo/Mark Schiefelbein, File)