Yes
The rewritten app is doing fine in production for a while now
aenis on Hacker News
2 months for a complete rewrite
In the thread “Measuring Claude 4.7's tokenizer costs”, replying to this comment
Helped: Specs, refactoring, tests, and human oversight.
Got in the way: Claude ignored instructions and required heavy review time.
… The one project I mentioned - 2 months for a complete rewrite - was about a week of working on the code and almost 2 months spent on reviews, tests, and of course some of that time was wasted as we were doing this for the first time for such a large codebase. The rewritten app is doing fine in production for a while now. I can only compare the outputs to the quality of the outputs of our regular engineering teams. …