OpenAI is the platform everyone else is building on top of.
Think Microsoft in the late 80s through the 90s.
If you are charging for the platform, you can let thousands of other businesses try the risky hard to scale stuff and you'll get a cut of everything no matter who wins.
Microsoft wasn't taking any risks there though, they were a profitable business selling positive margin projects the whole time - that's more where NVidia is than where OpenAI is.
Think Microsoft in the late 80s through the 90s.
If you are charging for the platform, you can let thousands of other businesses try the risky hard to scale stuff and you'll get a cut of everything no matter who wins.