- According to new data published on November 11, 2025, the AI chatbot application Zeta, developed by the South Korean startup Scatter Lab, has surpassed ChatGPT to become the most used chatbot in South Korea.
- According to Wiseapp Retail, Zeta recorded 73.62 million hours of use in October, far exceeding ChatGPT’s 48.28 million hours. Subsequent competitors included Krak (8.98 million hours), Grok (1.95 million hours), Chatty (1.83 million hours), and Perplexity (1.57 million hours).
- Zeta allows users to create personalized AI characters by choosing a name, personality, and interests, transforming conversation into an interactive storytelling experience, much like a novel.
- The application launched its open beta in April 2023 after receiving an investment of 15 billion won (10.2 million USD) from SK Telecom. After 1 year, Zeta attracted 2 million global users, with over 2.3 billion monthly conversations.
- In Q2 2025, Scatter Lab reported revenue of 5.2 billion won and operating profit of 900 million won, achieving an operating margin of 17%.
- 90% of Zeta’s users belong to Gen Z (teens and 20s), with 3.9 million accounts and over 190,000 AI characters created.
- Zeta uses Scatter Lab’s small language model, allowing the creation of character images and voices using AI, enhancing the immersive experience.
- Due to concerns about sensitive content, Scatter Lab has added age verification and an “unlimited” mode exclusively for adults.
- The company is expanding to Japan and English-speaking markets, aiming for over 100 million global users.
📌 The AI chatbot application Zeta, developed by the South Korean startup Scatter Lab, has surpassed ChatGPT, leading with 73.62 million hours of use, with 90% of its users being Gen Z. Zeta uses Scatter Lab’s small language model, allowing users to create personalized AI characters by choosing a name, personality, and interests, transforming conversation into an interactive storytelling experience like a novel.
