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Shares of Knowledge Atlas Technology Joint Stock, widely recognized as Zhipu AI, jumped after the Chinese AI company unveiled the latest version of its flagship large language model, GLM-5.
The company’s stock closed at HKD 402 (approximately USD 51.43) in Hong Kong, marking a 29% increase, following an earlier surge of up to 42%. Since debuting on the market on January 8, the stock has more than tripled in value.
GLM-5, an open-source model, emphasizes improving programming and agent performances. It supports larger model sizes and more complex reinforcement learning tasks, according to Zhipu AI based in Beijing. The model employs an asynchronous agent reinforcement learning algorithm, allowing it to continually learn from extended interactions.
The recently popular Pony Alpha model, which was at the top of OpenRouter’s model rankings earlier this week, is actually the latest version of GLM-5, the company revealed.
For the first time, GLM-5 incorporates DeepSeek Sparse Attention—a sparse attention mechanism that preserves long text processing quality without degradation, while significantly reducing deployment costs.
AI updates this year demonstrate advancements from coding and frontend development to managing engineering projects and executing large-scale tasks. In practical programming evaluations, GLM-5 performs nearly on par with Anthropic’s Claude Opus 4.5 and shows strength in complex systems engineering and long-term agent activities.
Additionally, GLM-5 can be integrated into the open-source AI agent framework OpenClaw, offering users a virtual “intern” capable of tasks such as browsing websites, organizing information, tweeting, and programming.
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