Speak is an AI language-learning company focused on building real spoken fluency through conversation practice rather than quiz-based drills. Founded in 2016, the app uses AI to generate spoken conversations, listen to users' responses, correct pronunciation, and provide instant feedback, aiming to simulate the experience of practicing with a native-speaking tutor. This emphasis on speaking differentiates it from traditional vocabulary- and grammar-focused language apps.
The platform's core approach mirrors how native speakers learn, prioritizing spoken interaction and rapid feedback loops. Speak reports that users have spoken more than a billion sentences on the platform, reflecting significant engagement, and the company has described itself as the fastest-growing language app in Asia while expanding globally.
Speak has also expanded beyond consumers into the enterprise market with Speak for Business, an offering focused on effective English learning for employers, reportedly serving more than 200 customers across industries. This dual consumer and enterprise model broadens its addressable market beyond individual learners.
The company is backed by OpenAI's Startup Fund, Khosla Ventures, Accel, and Y Combinator, among others. Speak raised a $78 million Series C led by Accel that brought its valuation to roughly $1 billion, doubling its valuation within roughly six months of a prior round, and bringing total funding to roughly $162 million. The company has reported strong revenue growth as it competes in the consumer language-learning market.
Prospective users should note that Speak's strength is spoken-practice and pronunciation feedback; learners seeking extensive grammar instruction, reading-heavy curricula, or many less-common language pairs should confirm current language coverage and curriculum depth before relying on it as a sole learning tool.