OpenAI: GPT-5.6 Terra Pro
openai/gpt-5.6-terra-pro
GPT-5.6 Terra Pro is the same underlying model as [GPT-5.6 Terra](https://openrouter.ai/openai/gpt-5.6-terra), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode
Prompt $/1M
$2.500
Completion $/1M
$15.000
Context
1,050,000 tok
Best provider
154 tok/s · Azure
Specs
- Model id
- openai/gpt-5.6-terra-pro
- Display name
- OpenAI: GPT-5.6 Terra Pro
- Modality
- text+image+file->text
- Tokenizer
- GPT
- Instruct type
- —
- Context length
- 1,050,000
- Max completion
- 128,000
- Prompt $/1M
- $2.500
- Completion $/1M
- $15.000
- Free tier
- no
Capabilities
- Function callingno
- JSON modeno
- System promptno
- Visionno
- Moderatedyes
Benchmark scores
Each axis is one benchmark, normalized to the best model in the field.
No benchmark data for this model.
Speed by provider
| Provider | tok/s |
|---|---|
| Azurefastest | 154 |
| OpenAI | 98 |
| openaifastest | — |