I believe that’s post-training, not pre-training.

> I believe that’s post-training, not pre-training

Aren't AI companies already butting against the limits of usable training data?

Outside of undiscovered techniques, additional costly pre-training will likely yield diminishing returns if you've already scraped the whole internet and destructively scanned as many 20th century books as you could lay your hands on.

yes, just post training, which is the most expensive phase now as I understand it