Shares of Beijing-based artificial intelligence pioneer Zhipu AI soared on Monday after it unveiled plans to make GLM-5.2, its latest and most powerful large language model, available on an open-source basis later this week.

The Hong Kong-listed stock surged as much as 48 per cent to HK$1,620 in morning trading, before retreating to HK$1,404 at the noon break.

Trading as Knowledge Atlas Technology, the high-flying generative AI specialist has seen its stock price rise more than 780 per cent since its blockbuster initial public offering in early January.

Zhipu AI announced on Saturday the full release of GLM-5.2, featuring a massive 1-million-token context window.

The launch underscores a trend of Chinese players seeking to capture users displaced by higher-priced Western alternatives.

Users can access the model through the new GLM Coding Plan subscription, which is priced at just a tenth as much as Anthropic’s premium Claude Code and Claude Max tiers.