Difference between online & offline is subjective. Fast forward time enough, it’s likely there would be no significant difference unless the two models were directly competing with one another. It’s also highly likely this difference will change in the near future; already notable efforts to enable online transformers.
Understand to you it is, but to me it’s not, only question is if the path leads to AGI, beyond that, time wise, difference between offline and online is simply matter of resources and time — being conscious does not have a predefined timescale; and as noted prior, it’s already an active area of research with notable solutions already being published.
