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GPT-6.1 Terra
GPT-6.1 Terra turns rough briefs into finished video edits and desktop tasks — sharper visual understanding, lower API cost, faster output.
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The GPT-6.1 Terra Edge: Sight and Savings
A lean model that reads drawings and animation frames, then drives the apps to finish the job — so video and desktop work takes fewer steps.
- Reads Images, Then Acts on ThemIt interprets technical drawings and animation frames, then opens the software and completes the edits itself.
- Half the Going RateStandard API pricing runs 50% under GPT-5.6 Terra and GPT-6.1 Sol, making invoice reading and bulk data entry affordable at scale.
- Stretch Every Plan FurtherInside ChatGPT work and Codex, the same allowance covers more jobs than GPT-5.6 Terra and far more than GPT-6 Astra.
Put GPT-6.1 Terra to Work in Three Steps
From a rough brief to a finished clip in three moves.
GPT-6.1 Terra: Measured Results
Scores across Agents' Last Exam, MMMU-Pro, OSWorld 2.1, and Terminal-Bench show where this model pulls ahead on desktop control, image understanding, accuracy, and code.
Agents' Last Exam
At medium reasoning it lands 15 points higher than GPT-5.6 Terra on computer-use work, spending roughly one-third as much.
MMMU-Pro
Every reasoning level beats GPT-5.6 Terra, and it closes in on GPT-6 Astra and GPT-6.1 Sol at a fraction of the price.
OSWorld 2.1
Even at medium reasoning it tops GPT-5.6 Terra's best run on multi-step desktop jobs, like turning drawings into a 3D model.
Factual Accuracy
On tricky prompts, the error rate drops from 53.6% to 16.7% at low reasoning and down to 4.3% at the maximum setting.
Terminal-Bench 4.0
At full reasoning it clears 50.3% of command-line jobs — more than twice GPT-5.6 Terra's 21.5%.
Terminal-Bench-Science 0.1
It outperforms GPT-6.1 Sol for less money and finishes within five points of Claude Opus 5.5 on science tasks driven by code.
GPT-6.1 Terra: Common Questions
Straight answers on cost, where to access it, error rates, and how it handles desktop automation.
What exactly is GPT-6.1 Terra?
A lean, quick model designed for close reading of images, confident control of desktop software, and clearer, more natural writing.
What does the API run per token?
$1 per million input tokens, $0.05 per million cached input tokens, and $5 per million output tokens — roughly half of GPT-5.6 Terra and GPT-6.1 Sol.
Where is it available?
It ships with Plus, Pro, Enterprise, and Edu plans inside ChatGPT work and Codex; developers reach it as gpt-6.1-terra through the OpenAI API.
How does it stack up against GPT-5.6 Terra?
Medium reasoning adds 15 points on Agents' Last Exam, the API bill drops by half, and tasks wrap up more than three times faster than with GPT-6 Astra and GPT-6.1 Sol.
Are factual mistakes less frequent?
Yes — on internal prompts that trip models up, the error rate falls from 53.6% to 16.7% at low reasoning and to 4.3% at maximum reasoning.
What keeps it safe to deploy?
It clears the 'severe' cybersecurity bar in the Preparedness Framework, carries over GPT-6 Astra's safeguards, and stands up to prompt injection.
Start Building with GPT-6.1 Terra
Run GPT-6.1 Terra in ChatGPT work, Codex, or through the API — input at $1 per million tokens, output at $5 per million.