It depends, when samurai was released it was "okay" but monk was still better, Red Mage quickly become the "Rez mage" walking meme, and while DRK was released on quite good state (mostly due to a MAGIC raid with a tank that is good against magic), AST was so bad that had to be buffed constantly until it was broken op as hell.
They tend to err on the weaker scale usually then buff it on the following patches if needed
