All I know is that I love anyone (with a preference for women) regardless of gender. I would say gender does matter to me since I prefer women, but I would love anyone regardless, and would gladly date women, men, and everyone in-between. not only this, but if my love transitioned, I would still love them.
Go with what sounds cooler to you. As they are really no different, and each person could give you a definition of the slight differences they believe they have.
I go with bi, because it sounds cooler to me and because it was the term most used when I was younger so I grew into it, but that’s it.