[dyingkneepad]

I may be wrong, but my personal experience is just that AIs are better at better-documented languages. By now, Rust is very well documented, perhaps significantly better than Zig (I haven't verified!).

Try asking an AI to write OpenCL shaders for you. It constantly hallucinates function calls that don't exist. I presume it is just because the language is does not have the ocean of documentation that others have.