I just don't see the cost coming down. It appears the expenses go up fairly linearly with their revenue, and if they lose subs, they'll have to recoup that difference.
There was an article about open AIs finances the other day, and they lost 20 billion just last year, which is up about 4x from the previous year. Yes their revenue also when up 4x, but that the dollar amount for the loses grew more. If they keep on a similar trajectory, even investors are going to step away.
Prices have already gone up for at least Copilot and Gemini to token use pricing from borderline unlimited use. It's going to, if it hasn't already for many, reach a point that just hiring someone to do they AI work will be cheaper and more reliable.
There will be some sectors that benefit, like IT security monitoring, but I think optimized local models will take that spot. It already can for most personal users, it's easy to setup, and new hardware is coming out with local LLMs in mind.