GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...
Developer
OpenAI
Release Date
July 9, 2026
Context Window
1,050,000 tokens≈ 1,400 words
API Access
Publicly AvailableIntegrate via official API
Input Cost
$1.00per million tokens
Output Cost
$6.00per million tokens
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