FrontierThe story, in brief
Nvidia's Nemotron 3 Ultra becomes the smartest open US model, but China still leads
Nvidia's Nemotron 3 Ultra just topped every US open model. China's still ahead.
The KeyNews take
Why it matters
Nvidia released a new frontier open-source model that sets a new US benchmark standard, but the competitive landscape shows China maintaining an edge in open model capabilities—signaling shifting dominance in the AI race.
The key facts
4 to knowNvidia Nemotron 3 Ultra ranks as most capable open US model per Artificial Analysis benchmarks
China models still lead overall open model capability rankings
Benchmarked on Artificial Analysis platform
Published June 1, 2026
Go to the source
The Decoderthe-decoder.com
Publisher excerpt: According to benchmark platform Artificial Analysis, Nvidia's new Nemotron 3 Ultra is the most capable open AI model from the US to date.