One of the smartest dog breeds in the world is the Border Collie. They have a natural ability to herd livestock. They are also highly intelligent, and they can learn new commands in less than five seconds. Their high intelligence is also reflected in their willingness to obey commands. They are among the most popular dog breeds in the world, and they have won numerous obedience competitions.
Source: https://dog-coach.blogspot.com/2022/11/which-one-is-smartest-dog-breed.html