OpenAI · released Oct 26, 2026
GPT-6.1 Terra
GPT-6.1 Terra is OpenAI's new mid-tier model for computer use, and its early math scores are strong.
New3 days oldThinks before answering
- Input price
- $1 / M
- Output price
- $5 / M
- Context
- 1.1M tokens
- Longest reply
- 128K
- Reads
- text, image, pdf
- Knows up to
- 2026-06-01
Where it shines
- It scores 90.9 on FrontierMath at $1 in, $5 out.
- OpenAI says it runs 3x faster than Astra and Sol.
- Its reported hallucination rate fell from 88% to 38%.
Where it struggles
- A wrong click in computer use can send, delete or pay.
- It isn't on ChatGPT Free or Go.
Where you can use it
- ChatGPTAppPlus, Pro, Enterprise and Edu. Also in Codex.
- GitHub CopilotAppPro and higher plans.
- OpenAI APIAPI$1 in / $5 out per million tokens.
- OpenRouterAPIListed as
openai/gpt-6.1-terra
How it scores on each job
Scores run 0 to 100 and blend every measure we have for that job. The number after the dot is its rank among the 33 models in the lineup.
The evidence
| Measure | Score | Rank in lineup | Source |
|---|---|---|---|
| WebDev Arena | 1671 | #9 | LMArena |
| GPQA Diamond | 94% | #8 | Epoch AI |
| FrontierMath | 91% | #4 | Epoch AI |
| SimpleQA Verified | 57% | #10 | Epoch AI |
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GPT-6.1 Terra Pro
GPT-6.1 Terra Pro is Terra in a slower pro reasoning mode, and OpenAI doesn't sell it as its own model.
- Price
- $1 in · $5 out
- Context
- 1.1M
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