OpenAI GPT-5.6 Models Revealed: Sol, Terra, Luna Detailed

OpenAI has unveiled details of its upcoming GPT-5.6 artificial intelligence models. The company introduces a three-tier lineup designed to balance performance, speed, and cost efficiency. What's interesting is the GPT-5.6 family will include three models: Sol, Terra, and Luna. They are scheduled to roll out over the coming weeks. GPT-5.6 Sol will be the flagship model, aimed at advanced applications like cybersecurity and biological sciences. It offers improved performance and reduced token consumption compared to GPT-5.5. Sol will also feature new "Max" and "Ultra" modes for deeper reasoning and multi-AI agent use. The mid-tier GPT-5.6 Terra model balances performance and speed, offering GPT-5.5 capabilities at less than half the cost. For efficiency, GPT-5.6 Luna maintains strong capabilities while costing over 50% less than Terra. The bottom line is these new models aim to expand OpenAI's AI offerings and address growing demand across industries.