Measuring success in LoC is so wrong… It's like bragging that you took 10,000 steps to reach the store by walking in circles when you could have taken 500 steps if you just walked straight. The end result is the same.
AI has a tendency to generate more code than necessary. It keeps re-inventing things, and every time you ask it to add a new feature or fix something, it just keeps on piling the code. I now periodically ask AI to refactor the code by simplifying, removing unused things, factoring out, and reusing.