Nvidia's DGX machines are designed for running large language models and other "AI" applications on the desktop. Shown off at its keynote were a Mac Mini-size device called the Spark, a motherboard, and a full-size desktop called the Station.

Jensen Huang, Nvidia Corp.’s chief executive officer, used his annual developer conference to address concerns that the cost of artificial intelligence computing is spiraling out of control.

GTC, Nvidia’s biggest conference of the year, starts this week in San Jose. We're on the ground covering all the major developments. CEO Jensen Huang will give a keynote address focusing on — what else?