Shares in Beijing-based start-up Zhipu AI jumped 32.8 percent in Hong Kong trading on Monday, after the release of its GLM-5.2 model coincided with the suspension of Anthropic’s Fable 5 and Mythos 5.
Zhipu, also known as Z.ai and trading as Knowledge Atlas Technology, has seen its stock price rise 820 percent since its IPO in January, amid heated interest in AI-related stocks.
On Saturday it launched GLM-5.2, with a large 1 million token context window, saying it will be released under the MIT open-source licence later this week.
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The stock price jump came after Zhipu touted its technology as a more stable alternative to the withdrawn Fable 5, without directly naming Anthropic.
