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Morning Edition · Thursday, August 27, 2026Published at 2:20 AM EDT · New York
Z.ai Releases GLM-5.3-Flash, a 320-Billion-Parameter Open-Weight Multimodal Model Under an MIT License
The model ran anonymously on OpenRouter as "Ox Alpha" for a weekend and became the platform's most used model there before Z.ai confirmed the lineage.
Z.ai released GLM-5.3-Flash, a mixture-of-experts (MoE) model with 320 billion total parameters and 18 billion active per token, published with downloadable weights under an MIT license. It is the first natively multimodal model in the GLM-…
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Part of a tracked trend
Chinese Open-Weight Models Emerge as the Non-US AI Stack
As Washington restricts foreign access to US frontier models, governments and enterprises cut off from American AI increasingly standardize on downloadable Chinese open-weight models, splitting the world into competing AI supply blocs rather than a single frontier.
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