Z.ai stock jumps 8% following the launch of a new AI model that operates solely on Chinese chips.

Z.ai stock jumps 8% following the launch of a new AI model that operates solely on Chinese chips.
Summary
Z.ai launched the GLM-5.3-Flash model using entirely homegrown semiconductors for operation.
The model ranked 10th in the AI Index and first by usage on OpenRouter.
Z.ai's shares increased by over 8% following the model release and market performance.

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On August 14, 2026, the logo of Zhipu, also known as Z.ai, was displayed on a smartphone.

In a significant move, Chinese AI firm Z.ai unveiled a new model on Wednesday, touting that it operates entirely on domestically produced semiconductors. Named GLM-5.3-Flash, this cost-effective iteration of Z.ai's premier model has secured the 10th spot on the Artificial Analysis Intelligence Index, surpassing competitors like DeepSeek V4 Pro Max.

Following the announcement, shares of Z.ai, which is listed in Hong Kong, surged by over 8% during Thursday’s trading session.

The company asserts that it utilized 100,000 chips manufactured in China to manage all online interactions with GLM-5.3-Flash. This model was launched on August 20 under the codename "Ox Alpha" and achieved the highest usage on the global OpenRouter platform within its first week.

However, CNBC could not verify Z.ai's claims regarding the chips, and the company opted not to disclose which manufacturers supplied the semiconductors. It is important to note that running an AI model generally requires less computational power than the training process.

Nvidia, a key player in the chip market, has faced challenges in selling its products to China due to regulatory constraints from both Washington and Beijing. In contrast, Chinese firms like Huawei have intensified their efforts to develop alternative semiconductor solutions.

As a part of its larger strategy to achieve technological self-sufficiency, China is actively boosting its own semiconductor and AI development capabilities, particularly after the U.S. imposed restrictions on advanced chip sales to the country. Notably, leading AI models from the U.S. are not available for use in China.

In related market activity, MiniMax, a rival of Z.ai, saw its shares increase by approximately 3% in Hong Kong following a remarkable 283% increase in revenue during the first half of the year, compared to the same period last year.

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