RProgN 1/2, 4 bytes / 2 versions. Score = 2
1 1+
RProgN1 requires commands to be split into words, where as RProgN2 reads byte by byte by default. As such, RProgN1 can't do anything with 1+
, so it just outputs 1
, but RProgN2 can execute it, so it adds 1
to the 1
, giving 2
.