It’s not often you hear that Siri isn’t a very bright girl, but Microsoft thinks its competing Cortana personal assistant is smarter.

Microsoft’s crack advertising team has created a new ad where a Nokia Lumia 830 phone running Cortana points out things it can do that an iPhone 6 Plus running Siri can’t.

Cortana, for example, says it can notify users that they should leave early based on traffic reports it monitors in the background.

Here’s the ad:

Is Siri getting a bad rap here? Well, I just picked up my phone and asked her, and she whispered sexily, “Cortana blows.”