Model dossier

OpenAI: GPT-5.6 Luna

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...

ProviderOpenAI Start comparison

Context1,050,000

Max output128,000

Pricing viewTVP price

Identity

OpenAI: GPT-5.6 Luna

Model ID: openai/gpt-5.6-luna
Canonical slug: openai/gpt-5.6-luna-20260709
Knowledge cutoff: 2026-02-16
Created: 7/9/2026

Capabilities

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Modalities

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Capacity

Context1,050,000

Max output128,000

TokenizerGPT