Positioned similarly to Anthropic's Sonnet, the system delivers precise computer use, natural writing, and video editing capabilities while operating substantially faster than previous iterations. Ted Sanders of OpenAI noted that it outperforms Sol and Astra in technical communication and equals them in vision tasks, despite trailing slightly in other areas. During benchmarking, a test run utilizing the maximum reasoning level concluded in 4 minutes and 11 seconds at a cost of 11.3161 cents. Developers also benefit from token rates that cut the expenses of higher-tier options roughly in half.
Key points
The system serves as an intermediate alternative that is smarter than Luna while remainin…: The system serves as an intermediate alternative that is smarter than Luna while remaining cheaper than Sol.
Users gain faster computer operation and technical communication that surpasses OpenAI's…: Users gain faster computer operation and technical communication that surpasses OpenAI's Astra and Sol models.
The pricing structure is roughly ten times higher than the lower-tier GPT-6 Luna model.: The pricing structure is roughly ten times higher than the lower-tier GPT-6 Luna model.
Sources checked by our analysis pipeline: 1
26th October 2026 - Link Blog
GPT-6.1 Terra (via) It's always interesting to note which aspects of a new model are emphasized in the release announcement.
In the case of GPT-6.1 Terra, OpenAI went with visual reasoning and computer use:
We’re introducing GPT-6.1 Terra, a fast, efficient model that combines detailed visual reasoning and precise computer use alongside clearer, more natural writing. A significant step up from GPT‑5.6 Terra, it excels at the communication and computer-based tasks that fill the workday, from drafting proposals and interpreting technical drawings to filling out forms and editing videos.
Terra sits in the same position as Sonnet in the Anthropic model collection - not the cheapest or the most expensive, making it harder to decide when to use it.
Computer use is a good example of a task that benefits from a less expensive model, since you might put it to work on automated, repetitive tasks.
OpenAI's Ted Sanders provided some useful advice in a comment on Hacker News:
In the case of GPT-6.1 Terra, I'd say Terra is probably better than Astra and…
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