Chinese search engine and artificial intelligence firm Baidu on Tuesday unveiled a new version of its artificial intelligence model, Ernie 4.0, claiming that it rivals models such as GPT-4 in the U.S.Chinese search engine and artificial intelligence firm Baidu on Tuesday unveiled a new version of its artificial intelligence model, Ernie 4.0, claiming that it rivals models such as GPT-4 in the U.S.Internet[#item_full_content]