OpenAI: Cuts GPT-5.6 Luna Prices 80%

OpenAI cut GPT-5.6 Luna prices 80% and GPT-5.6 Terra prices 20% while adding a faster GPT-5.6 Sol option, delivering the most price-efficient model in its class through focused model efficiency research. Greg Brockman highlighted ongoing work on intelligence at any level with costs too low to meter, directly expanding AI industry impact for Codex and ChatGPT Work users whose usage now stretches further under the new OpenAI price reduction structure.