OpenAI Releases GPT-6.1 Terra: 50% Cost Cut and 3x Speed Boost for Visual Reasoning and Computer Use

OpenAI launched GPT-6.1 Terra on October 26, 2026, a fast and cost-efficient model that combines visual reasoning, computer interaction, and natural language capabilities at half the price of its predecessor, GPT-5.6 Terra. The release marks the first new Terra-class model from OpenAI in over a year and positions the company's mid-tier offering as a breakthrough in affordability for enterprise and developer workloads.