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GLM-5.3-Flash
The "Ox Alpha" model, revealed — trained and served on 100,000 domestic Chinese chips.
Launched 2026-08-26AI model
About this launch
GLM-5.3-Flash, released 26 August 2026, is the production identity of the model that circulated in a stealth trial under the code name "Ox Alpha". Zhipu says the system ran entirely on a cluster of 100,000 domestically produced chips — the headline is the supply chain, not the benchmark. For buyers weighing concentration risk in AI infrastructure, an open-weight frontier-adjacent model trained without Nvidia hardware is a data point worth filing.
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