OpenAI releases GPT-6.1 Terra for controlling computers
According to OpenAI, the model costs half as much as GPT-6.1 Sol and is said to be more than three times as fast.
On 26 October 2026 OpenAI released GPT-6.1 Terra. The model is designed for controlling computers, programming, and office tasks.
The price is $1 per million input tokens and $5 per million output tokens. According to OpenAI, that is half the price of GPT-6.1 Sol. The context window covers 1.05 million tokens.
According to OpenAI, Terra solves 50.3 percent of the tasks in the Terminal-Bench 4.0 test at the highest compute level. The predecessor model GPT-5.6 Terra reached 21.5 percent. Answers are said to come more than three times as fast as with GPT-6 Astra and GPT-6.1 Sol. These figures are the manufacturer's statements; independent measurements are pending.
Terra is available in ChatGPT for Plus, Pro, Enterprise, and Edu, in Codex, and through the API. Source: AI Weekly, as of 26 October 2026.
Where OpenAI stands in the race for first place is shown in the Overview.