How many parameters does GPT-5.6 Luna have?

Parameter count for GPT-5.6 Luna is not available. See the Hugging Face model page for full specifications.

Who created GPT-5.6 Luna?

GPT-5.6 Luna was published by OpenAI on Hugging Face.

GPT-5.6 Luna

Name: GPT-5.6 Luna
Author: OpenAI

Multimodalby OpenAI·Model page ↗

OpenAI's GPT-5.6 Luna, a multimodal model with 1M-token context for image, file, and text inputs.

Max output

Most tokens the model can return in a single response.

128Ktokens

Pricing

per 1M tokens

Input$1 /1M

Output$6 /1M

Cache read$0.1 /1M

Cache write$1.25 /1M

Web search$0.01

Model Description

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...

Author

OpenAI

Organization · ✓

openai

Details

Downloads—

Likes—

AccessClosed Source

Context1.1M tokens

Input price$1 /1M

Output price$6 /1M

Knowledge cutoffFeb 16, 2026

CreatedJul 9, 2026

Updated—

View on Hugging Face

Benchmarks

Intelligence51.2

Coding71.4

Agentic45.6

Get the full context.