It's not clear to me that fine-tuning is even capex. If you fine tune new models regularly, that's opex. If you mean literally just the GPUs, you would presumab

It's not clear to me that fine-tuning is even capex. If you fine tune new models regularly, that's opex. If you mean literally just the GPUs, you would presumably just rent them right? (Either from cloud providers for small runs or the likes of sfcompute for large runs) Or do you imagine 24/7 training?