Tencent releases Hy4 Preview, a 770B-parameter open model with 1M context window, and says it outperforms Z.AI and Moonshot models in internal tests (Bloomberg)

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<a href="https://www.bloomberg.com/news/articles/2026-08-28/tencent-touts-new-ai-model-it-claims-outperforms-z-ai-moonshot"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260828/i3.jpg" vspace="4" /></a>
<p><a href="https://www.techmeme.com/260828/p3#a260828p3" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> <a href="https://www.bloomberg.com/">Bloomberg</a>:<br />
<span style="font-size: 1.3em;"><b><a href="https://www.bloomberg.com/news/articles/2026-08-28/tencent-touts-new-ai-model-it-claims-outperforms-z-ai-moonshot">Tencent releases Hy4 Preview, a 770B-parameter open model with 1M context window, and says it outperforms Z.AI and Moonshot models in internal tests</a></b></span>&nbsp; &mdash;&nbsp; Tencent Holdings Ltd. released a foundation model it says outperforms rivals Z.AI Co. and Moonshot AI in internal tests &hellip; </p>

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