GPT-5.6 Sol

OpenAI has announced significant upgrades to the GPT-5.6 Sol model, focusing on accuracy and consistency, while simultaneously providing free users with expanded access to the high-efficiency GPT-5.6 Luna model.

OpenAI has unveiled GPT-5.6 Sol, a groundbreaking model designed for elite performance in coding, scientific reasoning, and cybersecurity, featuring an advanced safety stack.