OpenAI Launches GPT-5.6 Sol, Terra, and Luna in Limited Preview

OpenAI has rolled out a limited preview of its new GPT-5.6 series, introducing Sol as its most powerful model to date, Terra for everyday tasks at a lower cost, and Luna for budget-conscious users. Sol boasts significant advancements in coding, biology, and cybersecurity, while Terra offers comparable performance to GPT-5.5 at half the price. Luna provides robust capabilities at a minimal cost. This launch highlights OpenAI's commitment to offering diverse AI solutions to meet different user needs, potentially impacting various industries by making advanced AI more accessible.