CDbCriteria compare equivalent method in Yii2

Hi!

With Yii1 I can use some symbols in my CGridview search filters as > < >= and so. I think is because the CDbCriteria "compare" method could handle this correctly.

How can I get the same behavior in my Gridview filters in Yii2?

*I uploaded a self explanative image in the link below:

http://cl.ly/0o450i2f3F0C

Thanks!