GPT-5.6: OpenAI’s most powerful AI is here, and almost no one can use it (yet)
OpenAI has unveiled its next-generation GPT-5.6 model series, consisting of three tiers named Sol, Terra, and Luna. At the U.S. government’s request, access is currently limited to roughly 20 vetted organizations. A broader rollout is expected within weeks. The launch reflects a new dynamic in the AI industry: Washington is beginning to treat the most …