GPT-5.6 Terra Pro
by OpenAI
GPT-5.6 Terra Pro is the same underlying model as GPT-5.6 Terra, served with reasoning.mode set to pro for higher-quality response
Models
GPT-5.6 Terra Pro
Added 10 July 2026
Overview
GPT-5.6 Terra Pro is the same underlying model as 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
How to use / API access
Call via OpenRouter with model id `openai/gpt-5.6-terra-pro`.
- openrouter ·
openai/gpt-5.6-terra-proDocs
OpenRouter id: openai/gpt-5.6-terra-pro
Notes
GPT-5.6 Terra Pro is listed in the EDNA Models directory from the OpenRouter catalogue.
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