Zhipu AI

Z.AI Co., Ltd., branded internationally as Z.ai, is a Chinese artificial intelligence company; their flagship product is the GLM family of open weights large language models (LLMs). Formerly known as Zhipu AI outside China until 2025, it is China's first major LLM company to make initial public offering, on the Hong Kong Stock Exchange in January 2026. With a market capitalization of US$62 billion as of August 2026, it is the most valuable public AI pure play in China.