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GPT Luna Latest

OpenAI· released 11 Sept 2026

~openai/gpt-luna-latest

Input / 1M tokens: $0.1
Output / 1M tokens: $0.5

Context window1.1M tokens

Longest answer: 128K tokens

reads filereads imagereads texttool callingvisionreasoning

See it on openrouter.ai

About

This model always redirects to the latest model in the GPT Luna family.

Details

Lab: OpenAIopenrouter.ai · 3 Oct 2026
Context: 1,050Kopenrouter.ai · 3 Oct 2026
Input price: $0.1 / 1Mopenrouter.ai · 3 Oct 2026
Output price: $0.5 / 1Mopenrouter.ai · 3 Oct 2026
Max output: 128,000 tokensopenrouter.ai · 3 Oct 2026
Inputs: file, image, textopenrouter.ai · 3 Oct 2026
Open weights: Noopenrouter.ai · 3 Oct 2026

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Sources

openrouter.ai/~openai/gpt-luna-latest· checked 3 Oct 2026