OpenAI Launches GPT-5.6 with Restricted Access and Stratified Models: Technical and Regulatory Implications
OpenAI has unveiled three versions of its GPT-5.6 model—Sol, Terra, and Luna—to a select group of companies. This initial rollout features limited access, the introduction of stratified reasoning models, and a strategic collaboration with the U.S. government, prioritizing robust cybersecurity safeguards. Sol stands as the most powerful flagship model, while Terra optimizes the balance between efficiency and capability.










