MS put 10B for 50% if I remember correctly. OpenAI is worth many multiples of that.
When they put 10B in, they got weird tiered revenue shares and other rights. That has been simplified to 27% of OpenAI today. I don't know what that meant their 10B would be worth before dilution in later rounds.
> OpenAI is worth many multiples of that
valued at --which I'd say is a reasonable distinction to make right about now