OpenAI buys from Azure because of the Microsoft investment deal.
OpenAI sells and reaches enterprise customers via GCP.
Enterprises want zero data retention guarantees and they're already on AWS or GCP, so this is how OpenAI reaches those customers and makes more money.
isn't the largest portion of openAI's reach to (overwhelming cloud provider leader AWS) enterprise customers via amazon bedrock?
Microsoft has had ZDR for inference since pretty much the beginning. Just needed to fill out a form and get approved.