> We know this model will be cheaper and faster with time

Why? Demand for AI compute seems to be increasing faster than new production is due to come online for the foreseeable future, particularly if more-intensive models induce demand.

The cost for a fixed level of intelligence will fall over time. We've already seen this. But the cost of cutting edge models will probably not fall anytime soon, and may increase.

So I would expect Fable-level intelligence to get cheaper.