This was just theorised. The leaked OpenAI financials suggest otherwise (because of shady naming of losses)

The only ones who seem to profit are the ones running smaller Chinese models. Even NVIDIA seems to have to "reinvest" their profits into sponsoring companies to buy their cards now.

if a $6000000 cabinet can generate 10000/s tokens of Opus but only 1000/s tokens of Mythos, then Mythos costs 1000% to run no matter the markup.

no one has a source, because no one knows closed model parameter counts. we have only heuristics which strongly indicate that Mythos is simply a big fucking model that any other lab could make an equivalent of.