openai.comarticleIntroducing GPT-6.1 Terra
GPT-6.1 Terra is OpenAI's fast, lower-cost model for visual reasoning, computer use and writing, released as API model gpt-6.1-terra. OpenAI reports Terminal-Bench 4.0 at 50.3% (GPT-5.6 Terra: 21.5%) and a low-effort error rate cut from 53.6% to 16.7%. API pricing is $1 per million input tokens and $5 per million output tokens. It meets the Critical cybersecurity threshold in OpenAI's Preparedness Framework.
TL;DR OpenAI launches GPT-6.1 Terra, a cheaper, faster model with stronger computer use, factuality and coding than GPT-5.6 Terra.
Organisations named here
- OpenAI
- Anthropic
- Agents' Last Exam
- MMMU-Pro
- OSWorld 2.1
- Terminal-Bench 4.0
- Terminal-Bench-Science 0.1
Technologies named here
- ChatGPT Work
- GPT-6.1 Terra
- Codex
- GPT-5.6 Terra
- OpenAI API
- GPT-6.1 Sol
- Preparedness Framework
- GPT-6 Astra
- Claude Opus 5.5
- ChatGPT
Techniques named here
- Reasoning effort settings
- Cached input pricing
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