OpenAI releases GPT-6.1 Terra with 50% lower API costs and improved computer use

• OpenAI introduces GPT-6.1 Terra, a fast and efficient model designed for high-volume computer use and visual reasoning tasks.
• Standard API pricing is 50% lower than GPT-5.6 Terra and GPT-6.1 Sol, with rates of $1 per million input tokens and $5 per million output tokens.
• On the Agents' Last Exam benchmark, the model scores 15 percentage points higher than GPT-5.6 Terra at medium reasoning effort while costing about one-third as much.
• GPT-6.1 Terra completes tasks over three times faster than GPT-6 Astra and GPT-6.1 Sol, and is over three times as token efficient as Claude Opus 5.5 at maximum effort.

Performance Metrics

• Error rate on internal factuality benchmarks dropped from 53.6% to 16.7% at low reasoning effort, a decrease of nearly 37 percentage points.
• Terminal-Bench 4.0 score reached 50.3% at maximum reasoning effort, more than double the 21.5% score of GPT-5.6 Terra.
• On Terminal-Bench-Science 0.1, the model surpasses GPT-6.1 Sol at lower cost and comes within five points of Opus 5.5.

Availability and Safety

• Available to Plus, Pro, Enterprise, and Edu users in ChatGPT Work and Codex, and via the OpenAI API as gpt-6.1-terra.
• Meets the Critical threshold in cybersecurity under OpenAI's Preparedness Framework and maintains protections developed for GPT-6 Astra.