Even traditional businesses do this with coupons. Is it unfair that Costco sells chickens for under cost because it drives usage to them?
Companies like Uber did use massive funding and price subsidization to try and kill competition and then take a monopoly, but it is hard to assert that this is what google is doing now. And given that other competitors in the space, Anthropic are doing the exact same thing again its not as though they are alone.
Also they could be subsidizing it because they want that usage type as it helps them train models better.
Chatgpt and gpt4 were all ran at a loss and subsidized people just didn't know that. Almost all of the llm companies have been selling 1 dollar of llm compute for 50 cents as they valued the usage, training data, and users more than making profit now.
This next generation of MOE and other newly trained models. Like opus 4.6, Cursor Composer 1.5, gpt 5.3 codex, and many of the others have been the first models where these companies are actually profitably serving the tokens at the api cost.
This year has been the switch where ai companies are actually thinking of becoming profitable instead of just focusing on research and development.