That pre-supposes that it's creators have read everything useful that GPT-4 has read and put it into practice. It's likely it wouldn't have any useful improveme

That pre-supposes that it's creators have read everything useful that GPT-4 has read and put it into practice. It's likely it wouldn't have any useful improvements for the overall architecture because it's novel relative to it's training data, but maybe it could find a small bit of optimization, the kind that most code can benefit from.