OpenAI just killed the price advantage of Chinese open-weight models.
This is the beginning of the end.
Frontier labs aren’t just winning the race anymore. They’re about to swallow the entire market.
We are committed to pushing the model frontier across cost efficiency, capability, and speed.
Starting today, we are reducing prices for GPT-5.6 Luna by 80% and GPT-5.6 Terra by 20% , and offering a faster option for GPT-5.6 Sol in the API.
Luna and Terra’s lower prices are reflected in how usage is counted in Codex and ChatGPT Work, so your usage goes further.