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OpenAI releases GPT-6.1 Terra, a cheaper, faster mid-tier model for everyday computer work

BleepingComputer lays out OpenAI's pricing and benchmark claims, including where OpenAI still says its bigger models are better.

OpenAI released GPT-6.1 Terra on Oct. 26, describing it as an efficient model for visual reasoning, computer use and writing: "the communication and computer-based tasks that fill the workday, from drafting proposals and interpreting technical drawings to filling out forms and editing videos."

API pricing is $1 per million input tokens and $5 per million output tokens, which OpenAI says is 50% below GPT-5.6 Terra and GPT-6.1 Sol. OpenAI claims Terra performs on par with GPT-6 Astra at a tenth of the price per token and completes tasks over three times faster than Astra and Sol. On OpenAI's internal benchmark, the error rate at low reasoning effort fell from 53.6% with GPT-5.6 Terra to 16.7%. It scored 50.3% on Terminal-Bench 4.0 at maximum effort, though OpenAI still recommends Sol or Astra for the hardest coding work.

Terra is available to Plus, Pro, Enterprise and Edu users in ChatGPT Work and Codex, and in the API as gpt-6.1-terra. All figures are OpenAI's own.

Read it at the source

BleepingComputerOpenAI launches GPT-6.1 Terra with 3x faster AI agents, 50% lower pricing Independent ↗

Cascadic Analysis 2

UndertowBenchmark scores can overstate real-world reliability

What hidden risk could pull against this, even if the news is good?

Every figure here is OpenAI's own, including the drop in error rate on an internal benchmark from 53.6% to 16.7% at low effort. Even taken at face value, roughly one task in six still goes wrong at that setting (4.3% at maximum effort). For form-filling and desktop automation at a tenth of Astra's price, the cost of each error lands on whoever trusts the finished form.

UndertowPrompt injection may be fundamentally impossible to eliminate

What hidden risk could pull against this, even if the news is good?

Terra is pitched for computer use: reading screens, technical drawings and forms, then acting on them. Everything it reads on a web page or in a document is input it must keep separate from the user's instructions, and cheaper, three-times-faster runs mean more of that work happens without someone watching each step. OpenAI's announcement, as reported, says little about how Terra handles hostile content on screen.