Reno-based Positron says its chips use less than a third of the power of Nvidia’s top-of-the-line H100 graphical processing units.

Seoul-based FuriosaAI was founded in 2017 and is led by June Paik, who previously worked at Samsung Electronics and AMD.

Researchers have created a light-manipulating AI chip smaller than a grain of salt that can harness light to power ...