No, you have to purchase the airpods separately because iPhone 7 and 7plus doesn’t give the air pods along with the box. So you have to purchase airpods separately for which you have to pay $150.
As the apple has removed the audio jack in iPhone 7 and 7 Plus model the corporation decided to provide those airpods separately.
As you can see both the models of iPhone 7 and iPhone 6s you may find that the iPhones which are coming after the 6s models no longer have those audio jacks.
However, the airpods which you will purchase separately will be compatible with all your Apple devices which run on iOS 11.