Liulishuo (LAIX Inc.) is a Shanghai-based educational technology company that uses artificial intelligence to teach English. Its flagship app, 'English Liulishuo' (known internationally as LingoChamp), pairs proprietary speech-recognition and deep-learning models with an adaptive curriculum to act as a personal 'AI English Teacher.' Founded in 2012 by three engineers with Google and academic backgrounds, the company grew to tens of millions of registered users and listed on the New York Stock Exchange in 2018.
VIPKid is an online education platform that pairs young learners with native English-speaking teachers for live, one-on-one video classes. Founded in Beijing in 2013 by Cindy Mi, it grew into one of the world's largest live-tutoring marketplaces before pivoting to international markets after China's 2021 'double reduction' policy reshaped private tutoring.