
OpenAI cuts GPT-5.6 Luna price by 80% as Chinese AI competition squeezes margins
Three weeks after launching the GPT-5.6 family, OpenAI has slashed the price of its fastest tier by 80% — Luna now costs $0.20 per million input tokens — while trimming Terra by 20%. The aggressive repricing signals how quickly frontier AI pricing power is eroding under pressure from low-cost Chinese models.









