Too early to tell for sure. Your looking good so far though. How old is it? I would give it a few more days and post back with more pics and we can be sure.
Being in veg that long one things for sure. Within the 1st week of flipping to 12/12 you will know for certain. It's fun to see the dramatic changes that happen to a plant that's really ready for 12/12. Can't wait to see what happens myself.