HK Stock Market Move | Z.AI (02513) surges over 8% as the next-generation model GLM-5.3 is suspected to have been prematurely exposed. Institutions are optimistic about its potential for commercial explosion.

Z.AI (02513) rose over 8%, and as of the time of writing, it is up 7.98%, reaching HKD 1015, with a transaction volume of HKD 1.272 billion. In terms of news, according to BianNiuShi, Z.AI's next-generation model GLM-5.3 was reportedly exposed prematurely. On the afternoon of August 3, some netizens discovered that the official documentation page for Z.AI GLM-5.3 suddenly became publicly accessible. Within about an hour, many directly accessed the documentation page for GLM-5.3. The Bing search results temporarily included the ZCode page title as the official Harness for GLM-5.3. In June of this year, Z.AI launched its latest flagship model, GLM-5.2, which scored 51 points on the Artificial Analysis comprehensive ranking list, trailing only behind Anthropic and OpenAI, marking it as the SOTA among open-source models. Guotou Securities International previously pointed out that they are optimistic about the GLM model leading Chinese models to enhance competitiveness and market share in the global large model competition, with potential for exponential commercial growth.