Compare Models
Created by
openai
openaiReleasedJul 9, 2026
GPT-5.6 Luna is a fast, affordable GPT-5.6 model that brings strong capability at the lowest cost in the series.
Limits
Context Length1.1M
Max Output Tokens128K
Pricing
Pricing (Input)$0.40/M
Pricing (Output)$2.40/M
Caching
Input Modalities
Text
Image
PDF
Audio
Output Modalities
Text
Image
Audio
Features
Reasoning
Tools
Temperature
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