Overview
Xueersi Online School is an online education offering under the current 学而思 product family. The official site presents it alongside enrichment courses, learning hardware, smart books, and the 九章大模型 program. Its education products cover school-age learning and broader subject development, with content delivered through the company's digital services and connected learning devices. The official learning-device pages describe a dual-model setup using the company's 九章 model and DeepSeek, plus AI study partners, guided dialogue, multimodal marking, personalized paths, and other study tools. The service is commercial and closed source; no official repository containing the product's own source code was identified.