GPT-6.1 Terra Pro

gpt-6.1-terra-pro

GPT-6.1 Terra Pro is the same underlying model as GPT-6.1 Terra, served with reasoning.mode set to pro for higher-quality responses on complex tasks.

Context Window

1.1M tokens

Maximum Output

128K tokens

Release Date

Oct 26, 2026

Modalities

GPT-6.1 Terra Pro Pricing

Token TierInput PriceOutput PriceCache ReadCache Create 5m
<=272K$1/M$5/M$0.05/M$1.25/M
>272K$2/M$7.5/M$0.1/M$2.5/M

GPT-6.1 Terra Pro API Capabilities

Reasoning

Supported

Tool calling

Supported

Temperature parameter

Not supported

Attachments

Supported

Knowledge Base

2026-06-01

Endpoint Protocols

Completions APIResponses APIMessages API

GPT-6.1 Terra Pro Model Highlights

The model's defining strengths.

Pro Reasoning Mode

OpenRouter describes this variant as GPT-6.1 Terra served in Pro reasoning mode for more demanding tasks.

Visual Analysis

Builds on Terra's ability to interpret images, screen content and visual details.

Complex Workflow Reasoning

Uses additional reasoning for difficult work, with a potential increase in response time and total cost.

GPT-6.1 Terra Pro Use Cases

Practical workloads suited to the model.

Technical Drawing Review

Analyze details in technical drawings and prepare explanations for expert review.

Multi-Step Screen Workflows

Assist with defined workflows across application screens using supported tools and verify the result.

Code Investigation

Investigate difficult code issues and propose changes for developers to review and test.

How to Use GPT-6.1 Terra Pro via the TokenHub API

Create API key
import OpenAI from "openai"

const client = new OpenAI({
  apiKey: process.env.TOKENHUB_API_KEY,
  baseURL: "https://us-api.tokenhub.com/v1",
})

const result = await client.chat.completions.create({})
console.log(result.choices[0]?.message?.content)

GPT-6.1 Terra Pro Benchmarks

Index score
Artificial Analysis Intelligence IndexArtificial Analysis broad capability aggregate33.5

Metrics sourced from Artificial Analysis

GPT-6.1 Terra Pro Media and Demos

Selected public posts and videos about the underlying GPT-6.1 Terra model.

X (Twitter)

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Reddit

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YouTube

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GPT-6.1 Terra Pro FAQs

Useful questions about GPT-6.1 Terra Pro.

What is GPT-6.1 Terra Pro?+

OpenRouter describes it as GPT-6.1 Terra served in Pro reasoning mode for more demanding work.

How does Pro differ from Terra?+

According to OpenRouter, it uses the same underlying model with Pro reasoning, which can take longer and use more tokens.

When should I choose Pro?+

Consider it for difficult tasks where extra reasoning is worth the additional time and potential cost.

Does Pro guarantee accurate results?+

No. Additional reasoning does not eliminate errors; review important outputs and verify actions.

How are availability and costs determined on TokenHub?+

Check the model listing and your account's route and rates before sending a request; token usage can affect total cost.

Ready to use GPT-6.1 Terra Pro?

Use one API key to access GPT-6.1 Terra Pro and more AI models through TokenHub.

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