Did the new model actually move the business?
Measure impactHardProblem. OpenAI ships a materially better model to all ChatGPT users at once. Leadership asks: what was its business impact (retention, conversion, revenue)? With no clean holdback, and a change that affects everything, how do you measure it?
Before you reveal: say your answer out loud, as if you were in the real interview — get your reasoning across clearly first. There is no single correct answer: reading what the interviewer is really after and defending your own thinking is what makes an answer strong.