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 w…
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Open / InstallLast updated July 27, 2026
Description
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
Author
openai
Platform
api
Pricing model
paid
Categories
Research
Tags
openrouter
llm
openai
file
image
text
Capabilities
- Image input
- 1,050,000 token context