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GPT-6.1 Terra
GPT-6.1 Terra blends sharp visual understanding with hands-on desktop control, quicker video edits, and 50% cheaper API calls than GPT-5.6 Terra.
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What GPT-6.1 Terra Brings to Your Workflow
A lean, high-throughput model that combines fine-grained visual analysis with accurate desktop automation, cutting the number of steps needed to finish video and office work.
- Visual Reasoning Meets Computer UseIt studies technical drawings and animation frames, then drives the very applications required to act on what it sees.
- Half the Standard API RateList pricing runs 50% under GPT-5.6 Terra and GPT-6.1 Sol, so invoice parsing and bulk data entry stay affordable at scale.
- More Tasks per PlanInside ChatGPT work and Codex, the same allowance stretches further than GPT-5.6 Terra and far beyond GPT-6 Astra.
Putting GPT-6.1 Terra to Work
A rough brief becomes a finished clip in three straightforward moves.
Benchmark Results for GPT-6.1 Terra
Agentic computer use, visual reasoning, factual reliability, and coding power, tracked across Agents' Last Exam, MMMU-Pro, OSWorld 2.1, and Terminal-Bench.
Agents' Last Exam
At medium reasoning it lands 15 points above GPT-5.6 Terra on computer-use tasks while costing roughly a third as much.
MMMU-Pro
Every reasoning setting beats GPT-5.6 Terra, and it comes close to 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 score on multi-step desktop jobs, such as building a 3D model from drawings.
Factual Accuracy
On error-prone prompts, mistakes drop from 53.6% to 16.7% at low reasoning and to 4.3% at maximum reasoning.
Terminal-Bench 4.0
At maximum reasoning it clears 50.3% of command-line tasks, more than twice GPT-5.6 Terra's 21.5%.
Terminal-Bench-Science 0.1
It edges out GPT-6.1 Sol at lower cost and lands within five points of Claude Opus 5.5 on code-driven science work.
GPT-6.1 Terra: Your Questions Answered
Answers on pricing, plan availability, accuracy, and how the model performs on computer-use work.
What exactly is GPT-6.1 Terra?
It is a fast, efficient model designed for detailed visual reasoning, precise computer operation, and clearer, more natural writing.
What does the API cost?
Standard rates are $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.
Which plans include GPT-6.1 Terra?
Plus, Pro, Enterprise, and Edu plans carry it inside ChatGPT work and Codex; developers reach gpt-6.1-terra through the OpenAI API.
How does it stack up against GPT-5.6 Terra?
It adds 15 points on Agents' Last Exam at medium reasoning, halves the API price, and completes tasks more than three times faster than GPT-6 Astra and GPT-6.1 Sol.
Are factual errors less frequent?
Yes. On internal error-prone prompts the mistake rate falls from 53.6% to 16.7% at low reasoning, and to 4.3% at maximum reasoning.
How is safety handled?
It meets the 'severe' cybersecurity threshold in the Preparedness Framework, retains GPT-6 Astra's safeguards, and resists prompt injection.
Start Building with GPT-6.1 Terra
Deploy GPT-6.1 Terra in ChatGPT work, Codex, or the API — $1 per million input tokens and $5 per million output tokens.