Mystery 'Ox Alpha' Model That Took Silicon Valley by Storm Revealed as China's Z.ai New Release — BigGo Finance
Mystery 'Ox Alpha' Model That Took Silicon Valley by Storm Revealed as China's Z.ai New Release — BigGo Finance
摘要: Mystery 'Ox Alpha' Model That Took Silicon Valley by Storm Revealed as China's Z.ai New Release
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Mystery 'Ox Alpha' Model That Took Silicon Valley by Storm Revealed as China's Z.ai New Release
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The anonymous AI model "Ox Alpha," which caused a sensation among Silicon Valley developers, has been revealed as "GLM-5.3 Flash" developed by Chinese AI startup Z.ai. In just one week, it was called over 340 million times on OpenRouter, ranking first in usage. It scored 57 on the comprehensive intelligence index, matching OpenAI's GPT-5.6 Tera and surpassing Google's Gemini 3.7 Flash. Its pricing is one-tenth to one-twentieth that of comparable American models. Notably, Z.ai disclosed that all inference workloads for Ox Alpha were processed on Chinese-made AI chips, effectively demonstrating China's self-reliance in AI inference. Four of the top 10 AI models are now Chinese, and analysts say China already dominates the open-weight model market.
Key Elements
Z.ai
GLM-5.3 Flash
Ox Alpha
OpenRouter
Anthropic
Artificial Analysis
DeepSeek
The anonymous AI model "Ox Alpha," which appeared on the U.S. AI intermediary platform OpenRouter on the 20th, has been confirmed as "GLM-5.3 Flash" developed by Chinese AI startup Z.ai (Zhipu AI). The model, which concealed its developer and country of origin while racking up more than 340 million calls in a single week and creating a sensation among Silicon Valley developers, has now been revealed as Chinese-made, sending ripples through the tech industry.
Z.ai officially confirmed on the 26th that Ox Alpha was a test version of "GLM-5.3 Flash," the lightweight variant of its GLM-5.3 model released earlier this month. The company explained that it had listed the model on OpenRouter as a "stealth model" to gather real-world usage patterns and accurate feedback from developers ahead of its official launch, offering it free of charge with no usage limits for one week.
According to OpenRouter data, Ox Alpha was called a total of 343.49 million times between the 20th and the 2