english-learning
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The Caracas Startup That Turned English Into a Subscription
It started with $700, a sofa in San Francisco, and a bet that people learning English still want a human on the other end of the line. Two million students later, Open English is the accent Latin America practices in.
Praktika.ai
Praktika.ai is an AI-powered language learning app that lets people practice speaking through conversations with personalized AI avatar tutors. Instead of the tap-and-match drills common to language apps, Praktika simulates the responsive, spoken back-and-forth of a private tutor - complete with realistic voices, accents and emotional inflection - at roughly $8 a month versus hundreds for a human tutor. Founded by the team behind AI service firm Cleverbots, the company reports over 30 million learners, 1.2 million monthly active users across 100 countries, and raised a $35.5M Series A led by Blossom Capital in May 2024.
Slang
Slang is a B2B edtech company that teaches professional, industry-specific English to the global workforce. Born as an MIT research project on using AI and NLP to accelerate language learning, Slang now runs the largest catalog of specialized professional English courses in the world - 200+ paths spanning fields from engineering and finance to healthcare and logistics - delivered through a mobile-first platform used by companies and universities to build hyper-personalized learning journeys by role and industry.
VIPKid
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.
Speak
Speak is an AI-powered language learning app that gets users speaking out loud from day one. Backed by OpenAI's Startup Fund, Accel, Khosla Ventures and Y Combinator, the San Francisco company reached unicorn status in December 2024 after raising a $78M Series C at a $1B valuation. Its AI tutor offers unlimited conversational practice and instant feedback to over 10 million learners.