OpenAI: GPT-6.1 Terra Pro
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...
Cheapest input
$0.5
$/MTok · OpenRouter
Cheapest output
$2.50
$/MTok
Context
1.1M
tokens
Sources
2
4 listings
Sources
Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| OpenRoutercheapestopenai/gpt-6.1-terra-pro:batch | OpenRouter | $0.5 | $2.50 | $0.025 | 1.1M |
| models.devopenai/gpt-6.1-terra-pro | Kilo Gateway | $1 | $5 | $0.05 | 1.1M |
| models.devopenai/gpt-6.1-terra-pro | NanoGPT | $1 | $5 | $0.05 | 1.1M |
| OpenRouteropenai/gpt-6.1-terra-pro | OpenRouter | $1 | $5 | $0.05 | 1.1M |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: pdf
- In: image
- In: text
- In: file
- Out: text
Released: 2026-10-26Output limit: 128K tokensFamily: gpt
See what this model costs you
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