Every builder mentioned so far makes a good or great jazz bass. There is no best.I can only comment on jazz bases I've actually played: I played a Suhr at Gruhn in Nashville a couple years ago, and if I'd had $2,500 in my wallet I probably would have bought it.
Having owned or played quite a few of them, Suhr is high on my list. These are often overlooked and under appreciated. The jazz bass is a well-established, long-standing classic design. Higher-end builders make "tweaks" (some tweaks are greater than others) that may or may not be to a player's liking. But ultimately, it is the execution of the build to that classic design that defines a great jazz bass.