New Delhi, July 28 -- no products, no demos, no revenue, and no public accounting of what the company was doing with the $2 billion it raised at launch. On Sunday, the company broke cover in the most conspicuous way possible.

Safe Superintelligence announced a long-term partnership with Nvidia that includes an investment of $5 billion - a figure first reported by Bloomberg and confirmed by a source familiar with the deal - along with priority access to Nvidia's Vera Rubin GPU platform, the chipmaker's most powerful computing architecture to date. In return, Nvidia said it had secured "rare access into the company's closely guarded research."

That phrase is doing significant work. Nvidia typically receives supply chain commitments, long-...