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Z.ai open-sources GLM-5.3-Flash, formerly Ox Alpha, on domestic chips

This story is from 2026-08-26. It is preserved in the archive; the latest stories are on the live feed.

Z.ai released GLM-5.3-Flash, previously codenamed Ox Alpha, as an open-weight model. It is 10 times more cost-efficient than its predecessor and was trained on a cluster of 100,000 domestically produced Chinese chips.

Read the full story at South China Morning Post Tech ↗

Timeline · 3 reports

  1. 2026-08-27 08:30 · South China Morning Post Tech
    Zhipu AI shares jump as viral Ox Alpha model revealed as GLM-5.3-Flash on Chinese chips
  2. 2026-08-27 00:26 · SiliconANGLE AI
    Z.ai open-sources ‘Ox Alpha’ model as GLM-5.3-Flash
  3. 2026-08-26 15:17 · r/LocalLLaMA
    [Megathread] GLM-5.3-Flash - former ox-alpha

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