Exclusive: Startup aiming to break Nvidia’s strangehold on AI data center workloads raises $10.25 million

A London-based startup founded by two Cambridge-trained neuroscientists has raised $10.25 million for their startup Callosum, which is building software that orchestrates AI workloads across a mix of different chip types—challenging the industry’s dependence on running ever-bigger models on banks of identical Nvidia GPUs.

The company also announced it is receiving research funding from the U.K. government which is looking for ways to build so-called “sovereign cloud” infrastructure for AI that would be independent...