Recently we have integrated AEM with smart content API and leveraged smart tagging abilities for our assets.
Smart tags are generated successfully for the uploaded assets, we need to know these generated smart tags are multilingual? Does Adobe Sensi generate tags in different languages?
Smart Tagging generates the tags only in English. You can check Smart Translation which will help in searching for asset metadata in different languages. Using Smart Translation Search
Looks like Adobe Sensei translates it for you 
 Multilingual asset management | Experience Manager Assets
Thanks for the confirmation.