Microsoft has an exclusive license to all OpenAI models. They also own the compute hardware. OpenAI cannot afford to train and operate without Microsoft, and there will be no other suitor because OpenAI is already tied to Microsoft with model licensing.

Customers are already migrating to Azure GPT API vs OpenAI.

https://www.axios.com/2023/11/18/openai-memo-altman-firing-malfeasance-communications-breakdown

Sam Altman’s firing as OpenAI CEO was not the result of “malfeasance or anything related to our financial, business, safety, or security/privacy practices” but rather a “breakdown in communications between Sam Altman and the board,” per an internal memo from chief operating officer Brad Lightcap seen by Axios.