I take care not to feed it secrets ; this is just boring ERP stuff without the magic numbers (they are not needed to create or test; we use test data normally as well, as we cannot give that to outsourcing companies either, so there is no difference in work).

And the output? Are you allowed to use their code for your own projects or company?

Yes, we don’t all live in the US.

So you basically don't care about licensing.

That's ok for your use case but risky for anything open source of that might be sold around the world.

Not really, there is absolutely no way to show, let alone prove, any of it is written by AI.