Testing binary sizes created by zig on an alpine linux using zig built from its master branch.
$ ls -l release* | sort -n -k4 | awk '{ printf("%21s %8d bytes\n", $NF, $5);}'
releaseSmall 13696 bytes
releaseFast-stripped 186496 bytes
releaseSafe-stripped 224096 bytes
releaseFast 1835368 bytes
releaseSafe 1911648 bytes
releaseDebug 2037144 bytes
releaseSmall is automatically stripped.