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● TRACKER Updated 18d ago · 6 sources tracked

Z.ai shares surge 8% after releasing new AI model running only on Chinese chips

Z.ai shares increased 8% following the release of Ox Alpha, an AI model that runs exclusively on Chinese hardware. The company has open-sourced the model under the name GLM-5.3-Flash. This development follows a period of mystery regarding the model's origin, which Z.ai now claims. Industry reports indicate the model's performance rivals that of DeepSeek. The launch highlights a shift toward domestic hardware independence for high-performance AI in China.

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  • ✓ Z.ai shares surged 8% after releasing a new AI model.
  • ✓ The Ox Alpha model runs entirely on Chinese chips.
  • ✓ Z.ai is the company behind the Ox Alpha model.
  • ✓ Z.ai open-sourced the Ox Alpha model as GLM-5.3-Flash.
🛡️ Source Corroboration: 6 independent reporting domains (90% confidence) ⏱ Read time: ~2 min

What changed

Z.ai claimed ownership of the Ox Alpha model and open-sourced it as GLM-5.3-Flash.

Live updates

  1. Z.ai shares rise 8% after launching Ox Alpha AI model on Chinese chips

    Z.ai shares increased 8% following the release of Ox Alpha, an AI model that runs exclusively on Chinese hardware. The company has open-sourced the model under the name GLM-5.3-Flash. This development follows a period of mystery regarding the model's origin, which Z.ai now claims. Industry reports indicate the model's performance rivals that of DeepSeek. The launch highlights a shift toward domestic hardware independence for high-performance AI in China.

    Why it matters

    The reliance on domestic chips reduces vulnerability to foreign hardware restrictions. Ox Alpha's release as an open-source model allows for broader integration and testing across the Chinese tech ecosystem.

    What is confirmed

    • Z.ai shares surged 8% after releasing a new AI model.
    • The Ox Alpha model runs entirely on Chinese chips.
    • Z.ai is the company behind the Ox Alpha model.
    • Z.ai open-sourced the Ox Alpha model as GLM-5.3-Flash.

    Still unconfirmed

    • The Ox Alpha model rivals DeepSeek.
    • Zhipu is associated with the Ox Alpha model.

    What to watch next

    • Performance benchmarks comparing GLM-5.3-Flash to DeepSeek
    • Adoption rates of the open-source model among Chinese developers
    Sources used for this update (7)
    1. CNBC — Z.ai shares surge 8% after releasing new AI model running only on Chinese chips
    2. Bloomberg.com — China’s Z.AI Made Ox Alpha Stealth Model That Rivals DeepSeek
    3. Business Insider — Everything we know about Z.ai, the Chinese company behind the mysterious Ox Alpha model
    4. SiliconANGLE — Z.ai open-sources ‘Ox Alpha’ model as GLM-5.3-Flash
    5. South China Morning Post — Zhipu’s viral Ox Alpha AI model runs entirely on Chinese chips
    6. Business Insider — The cow comes home: China’s Internet celebrates Z.ai claiming ownership of Ox Alpha
    7. TechCrunch — Surprise: Z.ai is the AI lab behind the mysterious Ox Alpha model
    confidence 90%
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