The company said it's been invested in AI features since its launch in 2012, but advances in generative AI have propelled its latest efforts. Those advances helped create the features Explain My ...

In September, Duolingo expanded the AI feature set with Video Call, which allows users to initiate a video chat with a digital avatar whenever they want to practice speaking their foreign language.

"Duolingo at this point is really all in on ... However, if a person goes too far astray, Lily, the cartoon avatar, will try to steer the conversation back. If the person keeps trying to take ...