My understanding is that Microsoft gets exclusive licensing to (just) the "GPT" family of technologies. This is why Sam Altman has been hoping to get away from

My understanding is that Microsoft gets exclusive licensing to (just) the "GPT" family of technologies. This is why Sam Altman has been hoping to get away from transformers and attention-based methods. In any case, I'm confident that their researchers could come up with something else if Microsoft truly decided to "take them over". Furthermore, it seems like it's still a mutually beneficial arrangement.