OpenAI Unveils GPT-5.6 Family: Sol, Terra, and Luna Models

OpenAI has announced its new GPT-5.6 family of AI models, including Sol, Terra, and Luna. Access to the most powerful model, GPT-5.6 Sol, will be restricted initially at the request of the US government. Sol is highlighted for advanced security features and cybersecurity capabilities, while Terra is for high-volume tasks and Luna for daily use.