Positron, an artificial intelligence chip startup, is looking to raise a substantial round of new funding as it positions itself against industry giant Nvidia.

According to a report cited by GuruFocus, Positron is seeking $750 million in financing to compete with Nvidia, the dominant maker of chips used to train and run AI systems.

Seeking Alpha, also citing a report, put the potential deal in sharper terms: the company is weighing whether to raise the $750 million at a valuation of up to $5 billion.

Both figures point to the same story — a young chip company trying to raise serious money to build hardware that could serve as an alternative to Nvidia's products. Neither source, as presented here, confirmed that the round has closed or names the investors involved, so the plans remain at the reported stage.

Why the interest in challengers like Positron? Nvidia currently supplies the vast majority of the specialized processors that power the AI boom, giving it enormous pricing power and making it a critical bottleneck for companies racing to build AI products. That dominance has drawn a wave of startups and established rivals hoping to capture even a slice of the market.

A $5 billion valuation would signal that investors see real potential in Positron's approach, even though the company would still be tiny next to Nvidia, whose market value runs into the trillions of dollars.

Why it matters: If well-funded newcomers like Positron can offer credible alternatives, they could ease the supply crunch and pricing pressure that currently give Nvidia outsized control over the future of AI computing.