openai

OpenAI: GPT-6 Luna Pro

GPT-6 Luna Pro is the same underlying model as [GPT-6 Luna](https://openrouter.ai/openai/gpt-6-luna), served with `reasoning.mode` set to `pro` for higher-quality responses on complex tasks. **Cost note:** pro mode spends far more...

openai/gpt-6-luna-pro

Context Size

1,050K

Input Price

15,000 pts/M922 Ks/M

Output Price

75,000 pts/M4,613 Ks/M

Architecture

File

Image

Text

Supported Parameters

include_reasoningmax_completion_tokensmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetoolsverbosity

Details

TokenizerGPT

Max Completion128,000 tokens

Provider Context1,050K tokens

ModeratedYes

CreatedSep 22, 2026