GPT-5.6 Terra & Luna

Name: GPT-5.6 Terra & Luna
Price: 2 USD
Author: OpenAI

OpenAI🇺🇸 United States

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Input / 1M tokens$2

Output / 1M tokens$12

Version History

5.6patchJuly 30, 2026

OpenAI cut GPT-5.6 Terra pricing by 20% to $2/$12 per million input/output tokens and GPT-5.6 Luna pricing by 80% to $0.20/$1.20 per million tokens, three weeks after launch. GPT-5.6 Sol pricing is unchanged.

Coverage

changelogOpenAI

OpenAI Cuts GPT-5.6 Luna Price 80%, Terra 20%, as Enterprise Cost Pressure Mounts

OpenAI is cutting the price of GPT-5.6 Luna by 80% and GPT-5.6 Terra by 20%, just three weeks after launching the models. The move comes as enterprises grow more cost-conscious and rivals including Anthropic, Google, and Moonshot AI push cheaper alternatives.

July 30, 2026 · 5:36 PM3 min read

OpenAI GPT-5.6 pricing