Also keep in mind that Microsoft hasn't actually given OpenAI $13 Billion because much of that is in the form of Azure credits.
So this could end up being the cheapest acquisition for Microsoft: They get a $90 Billion company for peanuts.
[1] https://stratechery.com/2023/openais-misalignment-and-micros...
To be clear, these don't go away. They remain an asset of OpenAI's, and could help them continue their research for a few years.
I've actually had a discussion with Microsoft on this subject as they were offering us an EA with a certain license subscription at $X.00 for Y,000 calls per month. When we asked if they couldn't just make the Azure resource that does the exact same thing match that price point in consumption rates in our tenant they said unfortunately no. I just chalked this up to MSFT sales tactics, but I was told candidly by some others that worked on that Azure resource that they were getting 0 enterprise adoption of it because Microsoft couldn't adjust (specific?) consumption rates to match what they could offer on EA licensing.