Dossier
U.S. systems
Coverage of U.S. systems in the Nexus archive.
- China's Moonshot AI launched its largest model ever — and rival AI stocks plunged
China's Moonshot AI launched Kimi K3, a 2.8-trillion-parameter open-weight model that outperformed several leading U.S. systems on some benchmarks and priced lower than top-tier American rivals. Rival AI stocks experienced a decline following the announcement.