I wouldn't say so. He's still subject to crits, after all. In fact, he works no different from Chrono, Marle, or Frog, except where his class powers are concerned. Thus, I'd say he works just like a human, but has access to a special class by virtue of being a robot. "Racial Paragon" or whatever.
....and since I'm designing FFZ to take into account radio controlled cats riding moogle dolls as well as genetic Frankenstein freaks and basically average folks....I'd say he *definately* works less like a Warforged and more like any other human out there.