OpenAI is opening the door to its next generation of AI, but only a select few will get the first look. The company has unveiled its GPT-5.6 family of models, yet the rollout comes with an unusual twist: early access is being restricted at the request of the U.S. government. The new lineup introduces three permanent model tiers tailored to different workloads. GPT-5.6 Sol serves as OpenAI’s flagship model for advanced reasoning, research, coding, biology, and cybersecurity tasks. Terra occup