OpenAI: 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
1.1M
Max output
128K
Input price
$1/1M tokens
Output price
$5/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode

Details

Model IDopenai/gpt-6.1-terra-pro
Provider OpenRouter
Creator OpenAI
Familygpt-6.1
License—
Status—
Typechat
Input modalitiesimage, text
Output modalitiestext
Open weight—
Parameters—
Architecture—
Context window1.1M tokens
Max input—
Max output128K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$1
Output
$5
Cache write
—
Cache read
$0.05
Batch in
—
Batch out
—

Family Comparison: gpt-6.1

ModelContextMax outPricing
OpenAI: GPT-6.1 Terra (batch)1.1M128K$0.5$2.5
OpenAI: GPT-6.1 Terra Pro (batch)1.1M128K$0.5$2.5
OpenAI: GPT-6.1 Sol (batch)1.1M128K$1$5
OpenAI: GPT-6.1 Sol Pro (batch)1.1M128K$1$5
OpenAI: GPT-6.1 Terra Pro1.1M128K$1$5
OpenAI: GPT-6.1 Terra1.1M128K$1$5
OpenAI: GPT-6.1 Sol Pro1.1M128K$2$10
OpenAI: GPT-6.1 Sol1.1M128K$2$10

API

GET/v1/models/openrouter/openai/gpt-6.1-terra-pro

OpenAI: GPT-6.1 Terra Pro

openai/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.

Changes · 2 entries
openai/gpt-6.1-terra-procreateca7a400Nov 2, 2026, 03:02 AM
openai/gpt-6.1-terra-procreateb2f45bfOct 29, 2026, 03:29 AM