OpenAI: GPT-5.6 Terra

gpt-5.6-terra

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...

Modalities

Input

textimagepdf

Output

text

Pricing

Cost per 1 million tokens

Input

$3

Output

$18

Model Specs

Context Window

1,050,000

Max Output

128,000

Release Date

2026-07-09

Knowledge Cutoff

2026-02-16

Capabilities

Reasoning

Tool Calling

Vision

Last Updated: 2026-07-09

Provider: