OpenAI has unveiled GPT-6.1 Terra, which is now available on GitHub Copilot and other platforms. This new model offers a optimal mix of efficiency and affordability, matching the capabilities of GPT-6 Astra at a reduced token cost. It has been compared to GPT-6.1 Sol, with the new model providing a more cost-effective solution. The new model has been featured in various industry publications, showcasing its innovative features and impact on the AI landscape.