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GPT-6.1 Terra Pro

GPT-6.1 Terra Pro is the same underlying model as [GPT-6.1 Terra](https://openrouter.ai/openai/gpt-6.1-terra), served with reasoning.mode set to pro for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...

Context
1.05M
Input / 1M
$1
Output / 1M
$5
Released
Oct 26, 2026
View on OpenRouterFind it in the catalog
Specifications

GPT-6.1 Terra Pro specs

Provider
OpenAI
Type
API model
Model ID
openai/gpt-6.1-terra-pro
Context window
1,050,000 tokens1.05M
Input price
$1per 1M input tokens
Output price
$5per 1M output tokens
Accepts
file, image, text
Produces
text
Released
Oct 26, 2026
Source
OpenRouter
Overview

About GPT-6.1 Terra Pro

GPT-6.1 Terra Pro is an API model from OpenAI, released on Oct 26, 2026, with a context window of 1,050,000 tokens, pricing of $1 per million input tokens and $5 per million output tokens. It accepts file, image, text input and produces text output.

At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.015.

Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.

Tool callingStructured outputsJSON modeReasoning
FAQ

GPT-6.1 Terra Pro questions

What is the context window of GPT-6.1 Terra Pro?

GPT-6.1 Terra Pro supports a context window of 1,050,000 tokens.

How much does GPT-6.1 Terra Pro cost?

GPT-6.1 Terra Pro is listed at $1 per million input tokens and $5 per million output tokens on OpenRouter.

When was GPT-6.1 Terra Pro released?

GPT-6.1 Terra Pro was published on Oct 26, 2026.

What inputs does GPT-6.1 Terra Pro accept?

GPT-6.1 Terra Pro accepts file, image, text input and produces text output.