GPT-5.6 Terra Pro

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/r...

1.1M context·$2.00 in·$12.00 out·Jul 2026 release·Vision, Reasoning, Tools / functions, Web search

Available on

OpenRouter

Providers

Where GPT-5.6 Terra Pro runs in Big-AGI, with each service's own model ID and USD-per-1M-token rates. The summary above prefers the creator's claim; rates below are each service's own.

ServiceModel IDContextInputOutputCache read

OpenRouter

openai/gpt-5.6-terra-pro

1.1M

$2.00

$12.00

$0.20

Usage mix in Big-AGI: OpenRouter 100%Specs as reported by each service · usage over the last 2 days · refreshed hourly