Simon Willison· 模型· 2026年10月27日 07:53

OpenAI 发布 GPT-6.1 Terra：主打视觉推理与计算机使用，价格近腰斩

原标题：GPT-6.1 Terra

OpenAI 发布 GPT-6.1 Terra，定位快速高效的中端模型，主打视觉推理、计算机使用和更清晰的写作，宣称较 GPT-5.6 Terra 有显著提升。定价为每百万输入 token $1、输出 $5，约为 GPT-5.6 Terra 和 GPT-6.1 Sol 的一半，约为 GPT-6 Luna 的 10 倍。作者对比了当前主力阵容（GPT-6 Astra、GPT-6.1 Sol、GPT-6.1 Terra、GPT-6 Luna）各推理等级的 pelican 测试，其中 max 级别花费 11.3161 美分、耗时 4 分 11 秒；OpenAI 的 Ted Sanders 在 Hacker News 评价 Terra 在技术沟通上优于 Astra 和 Sol，视觉与计算机使用相当但快得多，其他方面略逊。

为什么值得看

作者对比了新旧版本定位与价格，并引用 OpenAI 员工对适用场景的建议，便于读者判断选型。

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原文

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 Sol at technical communication, similar on vision and computer use (but much faster!), and a bit worse on most other things. For API developers, it's a nice midrange option if you want something cheaper than Sol but a lot smarter than Luna (especially for vision / computer use / communication). For subscribers, it's not a bombshell release - if you're hitting usage limits, maybe it helps you go a bit further, and if you want clearer communication or faster computer use, it can be a nice option to select.

Here are the pelicans for the different reasoning levels. This pelican for "max" cost 11.3161 cents and took 4 minutes and 11 seconds:

It's a good pelican and a good bicycle - correctly shaped frame, feet n pedals either side of the frame, has the same color scheme as the others in the GPT-6 and GPT-6.1 families.

Here's a new comparison grid showing pelicans for every reasoning level of OpenAI's current frontier lineup: GPT-6 Astra, GPT-6.1 Sol, GPT-6.1 Terra, and GPT-6 Luna.

GPT-6.1 Terra is priced at $1/million input tokens and $5/million output - almost half the price of GPT-5.6 Terra and GPT-6.1 Sol, and around 10x the price of GPT-6 Luna.

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