Model dossier

OpenAI: GPT-6 Luna Pro

GPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](TVP catalog), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoning#reasoning-mode

ProviderOpenAI Start comparison

Context1,050,000

Max output128,000

Pricing viewTVP price

Identity

OpenAI: GPT-6 Luna Pro

Model ID: openai/gpt-6-luna-pro
Canonical slug: openai/gpt-6-luna-pro-20260922
Knowledge cutoff: n/a
Created: 9/22/2026

Capabilities

fileimagetexttoolsstructured

Modalities

text+image+file->textfileimagetext

Capacity

Context1,050,000

Max output128,000

TokenizerGPT