Mystery solved: Chinese lab Z.ai says it’s behind the Ox Alpha model that wowed Silicon Valley

Z.ai, the Chinese AI company also known as Zhipu, is behind Ox Alpha, the free model that captivated developers. CFOTO/Future Publishing via Getty Images The mystery maker of Ox Alpha is the Chinese tech company Z.ai. The free model drew developer attention after appearing anonymously on OpenRouter last week. Ox Alpha impressed tech leaders and set off a hunt for its anonymous creator. Chinese tech company Z.ai says it was behind the mysterious free AI model, Ox Alpha, that generated buzz for…