Light antinuclei, like antideuteron and antihelium-3, are ideal probes for new, exotic physics because their astrophysical backgrounds suppressed at low energies. In order to exploit fully the inherent discovery potential of light a reliable description production cross sections in cosmic ray interactions is crucial. We provide therefore antihelium-3 $pp$, $p$He, He$p$, HeHe, $\bar pp$ p$He col...