OpenAI has officially unveiled GPT-5.6, its newest family of foundation models, with CEO Sam Altman announcing the release publicly on July 9, 2026. In a discussion with CNBC, Altman said the model is ‘54% more token efficient on agentic coding tasks.’ The launch introduces three models, GPT-5.6 Sol, GPT-5.6 Terra, and GPT-5.6 Luna, each designed […]