OpenAI · released Oct 26, 2026
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.
New3 days old
- Input price
- $1 / M
- Output price
- $5 / M
- Context
- 1.1M tokens
- Longest reply
- –
- Reads
- file, image, text
- Knows up to
- –
Where it shines
- It shares Terra's $1 in, $5 out token price.
Where it struggles
- Each request costs several times more than standard Terra.
- It runs slower than standard Terra.
Where you can use it
- OpenRouterAPI$1 in / $5 out per million tokens. Requests use far more tokens.
- OpenRouterAPIListed as
openai/gpt-6.1-terra-pro
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 |
|---|
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- Context
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