Baidu has notified users that the company will start returning monthly subscription fees paid for more advanced versions of Ernie, which cost $8 per month. But like other big tech players ...

CEO Robin Li is betting big on the upgrade, calling Ernie 4.5 "our best model ever" during Baidu's Q4 earnings call on Feb. 18. Warning! GuruFocus has detected 3 Warning Signs with BIDU.

Baidu Inc. intends to open-source its Ernie series of large language models later this year. The company, the operator of China’s most popular search engine, announced the plan today.