Just because the hardware and inference costs may decrease in the future doesn't mean prices will. The AI vendor market is the furthest thing from a competitive industry where there are limited barriers to entry and new market entrants exert downward pressure on prices and profit margins.
Every single company in this market is losing billions on this business, and the only way to make it back is to acquire paying customers at a loss and jack up prices later.
Companies aren't losing billions on AI, it is profitable. Currently, industry spend is more than industry revenue because there are massive gains expected from investment into more compute and research, but this isn't an inherent cost of the technology. Consider that OpenAI recently dropped the price of their frontier model by 90% [1].
2027: $100/month
2028: $10/month