> but they will probably soon have a GPT-bio that they license to Pfizer and a GPT-quant that they license to Citadel, rather than keeping those valuable capabilities in the public models

Nein. Neither Pfizer nor Citadel are going to use a hosted model - their whole business is IP. They will invest in self hosting models. Self hosting is becoming a big deal in the industries you're talking about.

Why?

Neither Pfizer nor Citadel wants to pay a supplier/vendor to build a core capability that the supplier/vendor will turn around and sell to their competition.