'is talented at' is correct and usable in written English.
You can use it when referring to someone's natural ability or skill. For example: "My friend John is talented at playing the guitar."
He is talented at making electronic beats and drum tracks from bizarre samples.
He is talented at both mimicry and joke-telling, which provide a useful counterpoint to his reputation as one of the Dail's smartest men.
Ray is talented at getting comics out of that zone; I remembered what he'd said that night about our little notebooks.
I wanted a president who is intelligent enough to recognise that most issues are complicated and is talented at communicating those complexities to me.
Everyone who works for me is much smarter than I am.'' But he is talented at managing technical workers, and as a result, Sakaguchi has thrived at Google.
Aden did not like Geoff because he is talented at football.
Even if you have a talent, it doesn't mean that you're going to be talented at every aspect of something.
"Why do I have to be talented at something?
"He's talented at everything – a phenomenal guitarist.
He was talented at the work, and says that it was good training for Hollywood.
A lot of successful politicians, like George W. Bush and Barack Obama, are talented at reading from a Teleprompter.
