Enterprise* customers are overwhelmingly more likely to primarily host on Azure than GCP, m365 runs the corporate world top to bottom. OpenAI doesn't care where the customers come from, more platforms == more reach, they have zero reason to be preferential to any single hosting platform.
* By "enterprise" here I mean "big company that is not a tech company". If most of your userbase is carrying a mac, you're probably a tech company. If you're mostly making widgets in factories, chances are high Windows and the ecosystem around it is involved.
* By "enterprise" here I mean "big company that is not a tech company". If most of your userbase is carrying a mac, you're probably a tech company. If you're mostly making widgets in factories, chances are high Windows and the ecosystem around it is involved.