GPT-5.6 Terra

Overview

GPT-5.6 Terra is openai’s balanced mid-tier model in the gpt-56 family for everyday professional work.

Recent Developments

• 2026-07-30: API price cut 20% to $2/$12 per million input/output tokens (from $2.50/$15) (2026-07-31-openai-gpt56-price-cuts-official, 2026-07-31-openai-gpt56-price-cuts-apidog).

Related

• openai
• gpt-5-6-luna
• gpt-5-6-sol
• ai-price-wars

Sources

• 2026-07-31-openai-gpt56-price-cuts-official