Compared to the Discovery feed, the other major differences between the MEta AI app and the ChatGPT app come off as more subtle. Meta AI has a slicker voice feature, one that lets you interrupt it mid-sentence and talk over it but still be understood. ChatGPT's voice chat is more turn-based, though it will pause if you start talking again.

Meta is playing catch-up with the other AI chatbots, but these features could help it stand out in a crowded field.

Meta bets on a future where glasses-wearing consumers interact with its AI assistant and previews its future voice tech, which it calls 'full-duplex speech technology.'