# GPT-6.1 Terra Pro — price & specs

Source: https://modelbank.ai/models/gpt-6.1-terra-pro · updated 2026-10-31 · ModelBank

| Field | Value |
|---|---|
| Vendor | OpenAI |
| Input price | $1 / 1M tokens |
| Output price | $5 / 1M tokens |
| Cached input | $0.05 / 1M tokens |
| Context window | 1,050,000 tokens |
| Max output | 128,000 tokens |
| Input modalities | file,image,text |
| Reasoning / tool use | yes / yes |
| Intelligence / coding index | — / — |
| Released | 2026-10-26 |
| Retirement date | none announced |

## About

GPT-6.1 Terra Pro is the same underlying model as [GPT-6.1 Terra](https://openrouter.ai/openai/gpt-6.1-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...

## Price history

- 2026-10-27: $1 in / $5 out


JSON: https://modelbank.ai/api/v1/models/gpt-6.1-terra-pro