GPT-5.6 Luna Pro is the same underlying model as GPT-5.6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Cost note: pro mode spends far more...
In / out price$0.20/$1.20per 1M tokens
Context
1.1M tokens
Parameters
Undisclosed
Modalities
→
Released
Jul 9, 2026
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