GPT-5.6 Terra

Balanced GPT-5.6 for general work

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...

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Specifications

Context window1M tokens

Input price$2.00 / 1M tokens

Output price$12.00 / 1M tokens

Credits per query3 cr

Released2026-07

LicenseProprietary

Features

VisionTool useJSON modeReasoning

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