I hear both (same device, same clip). Sometimes it's Laurel, and sometimes it's Yanny. Sometimes I'll play a clip repeating the word twice. First one is Yanny and the second is Laurel. Also, at times I hear both names superimposed (Laurel's "voice" dominates in that case though, but I hear Yanny's tone in the background. It doesn't always happen though). Again, I'm using the same device at all times, as well as the same headphones, and playing the same clip.
I've taken pitch perception tests before and scored very high, but I don't know if that's related.
My mum only hears Yanny and she can't believe anyone can hear Laurel. My dad only hears Laurel and can't believe anyone hears Yanny. I, otoh, totally believe that.