The move will help Baidu internationalize its driverless car business, while Uber will gain a proven partner to take on autonomous driving rivals.

Uber and China's Baidu will partner to deploy thousands of Baidu's Apollo Go autonomous vehicles on the Uber platform across several international markets outside the U.S. and mainland China, the companies said on Tuesday.

Uber Technologies Inc. and Baidu Inc. plan to launch robotaxis on the ride-sharing platform in several markets outside of the US and mainland China through a multiyear partnership.