“At the lower-cost end, the new Luna and Terra prices make high-volume work economical at much greater scale.”
Luna drops 80% and Terra drops 20%, three weeks after the GPT-5.6 launch. OpenAI credits efficiency gains. Nobody cuts a headline price by four fifths three weeks out because the margins got comfortable. Chinese models took 46% of US enterprise token usage on OpenRouter, and Altman is talking about customers scrutinizing spend. That is a price war, and the flagship Sol tier holding at $5/$30 tells you where the company still thinks it has pricing power.