Does Samsung ship new phones with the latest Android OS?

I was wondering since the Galacy S7 can be upgraded to Android 7.0, if Samsung ships new models to phone carriers (Verizon for example) with Android 7.0 or will it still ship with Marshmallow 6.0.1? I hope it is 6.0.1 because I don't like the look of 7.0 on the S7 and would prefer to keep the original operating system that it shipped with.

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