Personalized AI models can now get much better at picking their own best answers

Researchers found a way to make personalized AI models much better at choosing their own best responses for individual users. This means AI systems designed to adapt to you can now actually deliver on their promise of higher quality, by fixing how they pick from multiple options.

AI models that try to personalize themselves for you often struggle to get much better, even when they generate many possible answers and try to pick the best one. It turns out, the way they pick those answers has been broken. This paper offers a way to fix that selection process, making personalized AI more effective.