Personalized AI Language Education — with Andrew Hsu, Speak

In this episode of the Latent Space Podcast, Alessio and Swyx interview Andrew Hsu, CTO and co-founder of Speak, an AI-powered language learning app. Hsu discusses Speak's journey, from its early days as a Teal Fellow project to becoming a leading English learning app in South Korea with over $50 million ARR. The conversation covers Speak's focus on speaking and fluency, its AI-native approach using custom speech recognition models and LLMs, and its vision for AI to revolutionize how people learn anything. Hsu shares insights on product development, the importance of focusing on a specific market (South Korea), and the company's future plans, including expanding to more languages, B2B offerings, and real-time voice integration. He also touches on the challenges of building a consumer-focused AI application and the potential for AI to transform education beyond language learning.