A South Korean chip designer few outside the industry have heard of just became a $2.2bn company. DeepX has signed the first tranche of a Series D round that values it at roughly four times its previous mark. And it is not finished raising.

The first slice is about $29m, from existing backers BNW Investment and DS Asset Management, Bloomberg reported. The company is in talks to raise up to $209m more by September. If that closes, DeepX would be worth as much as $2.4bn, a striking jump for a business most consumers will never knowingly use.

The Pangyo-based startup designs chip architecture tuned for AI. Its twist is where those chips are meant to run. Not in the giant data centres that train the biggest models, but on the edge: inside robots, machines and smart electronics. There, power and cost efficiency matter more than raw scale.

The bet against the data centre

Almost all the money in AI silicon has flowed one way, into the data centre and Nvidia’s GPUs. That is where the spending boom lives. DeepX is chasing the other end. As AI moves into physical devices, each one needs a chip that runs models locally. It has to be cheap, and work without pinging the cloud for every decision.

That is a real market only if the devices arrive. DeepX has pointed at robots and smart electronics as its targets. The valuation jump suggests investors believe it can convert the thesis into sales. In April, the company said it had already signed more than 30 mass-production contracts with customers across eight countries.

A crowded, well-funded race

DeepX is not alone in raising against Nvidia from an odd angle. The UK’s Olix is building optical inference chips that skip the components in shortest supply. Xsight raised $300m for the networking chips that wire GPUs together. Even Intel has handed its low-power chip tech to a startup. Edge AI is the newest front.

The caution is the same one that hangs over the whole field. The data-centre build-out still dwarfs everything else, and on-device AI only pays off at scale if robots and smart machines become everyday objects. DeepX is betting they will. For now, investors are willing to quadruple its price to bet alongside it.

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