I made two AIs review each other's code for 30 days. A human still caught the bug in 5 minutes.

Last month I let AI write 100% of my code for 30 days. The single loudest lesson wasn't "AI is amazing" or "AI is useless." It was one sentence: the thing that writes the code can never be the thing that reviews it. A model grades its own homework and it always passes. So this month I did the obvious next experiment. If the author can't be the...