
Walnut Coding, also known as Hetao101, is a children's edtech company based in China that offers coding and programming lessons for children aged four to 12 years. The company operates an AI-driven online platform and smart products designed to improve children's logical thinking skills. Walnut Coding employs a team of over 400 tutors to deliver its educational content. The company focuses on combining technology and education to provide engaging and effective learning experiences for young learners.

Walnut Coding, also known as Hetao101, is a children's edtech company based in China that offers coding and programming lessons for children aged four to 12 years. The company operates an AI-driven online platform and smart products designed to improve children's logical thinking skills. Walnut Coding employs a team of over 400 tutors to deliver its educational content. The company focuses on combining technology and education to provide engaging and effective learning experiences for young learners.
What they do: Children's coding education (ages ~4–12) via AI-driven online platform and smart products
Size (reported): ~400 tutors; employee_count field lists 71
Last disclosed round: Series C (Mar 2021)
Notable investors: Hillhouse Investment, KKR, Vision Plus Capital (listed across profiles)
Early childhood / K-12 coding education; improving logical thinking through tech-enabled instruction.
EdTech
Last disclosed round reported March 2021
“Multiple established institutional investors (Hillhouse Investment, KKR, Vision Plus Capital, Source Code Capital, GL Ventures)”