OpenAI: GPT-5.6 Terra

GPT

Multimodal

Paid

GPT-5.6 Terra is a balanced model in OpenAI's GPT-5.6 series, positioned between the flagship Sol tier and the cost-efficient Luna tier. It is suited for everyday coding, reasoning, and agentic...

Parameters

Context Window

1,050,000

tokens

Input Price

per 1M tokens

Output Price

per 1M tokens

Capabilities

Model capabilities and supported modalities

Performance

Reasoning

Excellent reasoning capabilities with strong logical analysis

Math

Coding

Knowledge

Modalities

Input Modalities

file,image,text

Output Modalities

text

LLM Price Calculator

Calculate the cost of using this model

Input Tokens (0.00000100/token)$0.001500

Output Tokens (0.00000600/token)$0.018000

Common Scenarios:

Input Cost:$0.001500

Output Cost:$0.018000

Total Cost:$0.019500

Estimated usage: 4,500 tokens

Monthly Cost Estimator

Based on different usage levels

Light Usage

$0.0700

~10 requests

Moderate Usage

$0.7000

~100 requests

Heavy Usage

$7.0000

~1000 requests

Enterprise

$70.0000

~10,000 requests

Note: Estimates based on current token count settings per request.

Last Updated: 2026/08/15