What GLM-5.3-Flash Changes for AI Engineering Teams
GLM-5.3-Flash arrived through an unusual launch sequence. Before Z.ai announced the model, it appeared anonymously on OpenRouter under the name Ox Alpha. Developers could test it without knowing which company had trained it. According to OpenRouter, the model processed more than 20 trillion tokens during its first six days. When Z.ai revealed its identity , GLM-5.3-Flash already had a meaningful…
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