>AI has made the implementation part much faster, at the cost of even more time spent testing and reviewing,
Maybe they're using AI for testing and reviewing more than you are, not just for coding?
Maybe they're using AI for testing and reviewing more than you are, not just for coding?
In my experience, the generated code handles the happy path, but isn't great about edge cases or writing clean code, even with explicit instruction in the initial prompt.
We usually end up doing multiple iterations with what claude/codex output, pointing out issues, asking for changes, etc.