GPT-6.1 Terra: OpenAI's New Mid-Tier Model for Computer Use and Writing
OpenAI released GPT-6.1 Terra on October 26, 2026, a model aimed at visual reasoning, computer use and writing. It is in the API and Codex, but not in the ChatGPT Chat tab.
OpenAI
OpenAI Rolls Out GPT-6 With 'Intelligent UI' in ChatGPT
OpenAI began rolling out GPT-6 to ChatGPT on October 7, 2026, with an Intelligent UI that lets the model build interactive answers. Free users got it a day later.