April 30 (UPI) -- Duolingo more than doubled its offerings of language courses to help people learn a second language and become multilingual with the help of generative artificial intelligence. The new courses were announced on Wednesday after officials at the tech company earlier were criticized for announcing it would become an "AI-first" firm, TechCrunch reported. Duolingo plans to replace its contractors with AI, which enabled it to offer the largest expansion of language courses in its