All leopard geckos are the same, if you mean what color is the best they are all equal. If you mean what type of gecko is the best crested geckos are. But the color doesn't matter or make a difference on how to care for them.
Some of the best kinds of leopard gecko include aptor leopard gecko and snow leopard gecko among others. They are feed on live insects such as cricket. The geckos are mainly found in Iran, Afghanistan, Pakistan, and India.