Nvidia launches Nemotron 3 Ultra, a 550B-parameter MoE open model; Artificial Analysis: it's the smartest open US model but trails the Chinese model Kimi K2.6 (Maximilian Schreiner/The Decoder)

<a href="https://the-decoder.com/nvidias-nemotron-3-ultra-becomes-the-smartest-open-us-model-but-china-still-leads/"><img align="RIGHT" border="0" hspace="4" src="http://www.techmeme.com/260601/i57.jpg" vspace="4" /></a> <p><a href="https://www.techmeme.com/260601/p57#a260601p57" title="Techmeme permalink"><img height="12" src="http://www.techmeme.com/img/pml.png" style="border: none; padding: 0; margin: 0;" width="11" /></a> Maximilian Schreiner / <a href="https://the-decoder.com/">The Decoder</a>:<br /> <span style="font-size: 1.3em;"><b><a href="https://the-decoder.com/nvidias-nemotron-3-ultra-becomes-the-smartest-open-us-model-but-china-still-leads/">Nvidia launches Nemotron 3 Ultra, a 550B-parameter MoE open model; Artificial Analysis: it's the smartest open US model but trails the Chinese model Kimi K2.6</a></b></span>&nbsp; &mdash;&nbsp; It has roughly 550 billion total parameters, with about 55 billion active at any given time.&nbsp; On the Artificial Analysis &hellip; </p>