OpenAIOpenAI

GPT-5.6 Luna

Fast, low-cost GPT-5.6

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...

Try GPT-5.6 Luna

Specifications

Context window1M tokens
Input price$0.200 / 1M tokens
Output price$1.20 / 1M tokens
Credits per query2 cr
Released2026-07
LicenseProprietary

Features

VisionTool useJSON modeReasoning