51Talk Online Education Group, through its subsidiaries, provides online English language education services to students in the People's Republic of China, Hong Kong, the Philippines, Singapore, Malaysia, and Thailand. It operates online and mobile education platforms that enable students to take live interactive English and Chinese lessons. The company's flagship courses include Classic English Junior and Classic English for the development of English communication skills, as well as AI-empowered knowledge preview and AI-empowered reading lessons. It also offers small group lessons. The company was formerly known as China Online Education Group and changed its name to 51Talk Online Education Group in September 2022. 51Talk Online Education Group was founded in 2011 and is headquartered in Singapore.