> There's also no official source for the amount Nvidia paid for the tech,

Did you honestly believe that this kind of deal doesn't leave a trace in financial disclosures?

The February 2026 Nvidia 10-K has this:

Cash flows from investing activities: Groq. -$13B.

And this: "Total consideration consists of $13.0 billion paid at closing and $4 billion, inclusive of imputed interest, payable within one year included in Accrued and Other Current Liabilities on our Consolidated Balance Sheets."