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AI Model

OpenAI: GPT-5.6 Terra Pro

OpenAI: GPT-5.6 Terra Pro logoOpenAI
Text Generation
Reasoning
Vision
About 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

Specifications
Provider
OpenAI
Context Length
1,050,000 tokens
Input Types
file, image, text
Output Types
text
Category
openai/gpt-5.6-terra-pro-20260709
Added
7/9/2026

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