Chinese company (Shenzhen) developing embodied AI: the WALL family of foundation models and robots (Quantum X1 Pro, Quantum X2, ArtiXon Hand).
X Square Robot (自变量机器人) is a Chinese company headquartered in Shenzhen, founded in December 2023 by Wang Qian, focused on embodied artificial intelligence. The company develops general-purpose foundation models (the WALL family, including WALL-A, WALL-B and WALL-OSS, and the World Unified Model architecture), the X-Tokenizer action tokenizer, the QUANXTA Zero data-collection systems, and robots and components (Quantum X1 Pro, Quantum X2 and the ArtiXon Hand dexterous hand).
Founders
X Square Robot’s embodied operation model (WALL series): end-to-end, tens-of-billions parameters, World Unified Model architecture and X-Tokenizer. Robotic manipulation.
X Square Robot’s open-source (Apache-2.0) vision-language-action model (~4B, 3B VLM backbone). Deployable without fine-tuning; flow matching, 20+ embodiments.
X Square Robot’s open-source (Apache-2.0) world action model (WALL series): event-grounded VLA pretraining, video and action prediction, Muon optimizer.
Classification
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