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Models / OpenAI

GPT-6 Luna

GPT-6 · Released 2026-09-22

OpenAI's 22 Sep 2026 Luna line for high-volume work. API list $0.10 / $0.50 per 1M tokens on short context, 1.05M context, 128K output, knowledge cutoff 18 May 2026. No AA or Vals ledger row on this page as of 23 Sep 2026.

Current OpenAI Luna line for high-volume extraction, routing, and everyday agent calls.

Composite—
Context1M
Input / 1M$0.10
Output / 1M$0.50
Knowledge cutoff2026-05-18
Statusflagship
ChatGPT
Not enough families covered yet.Add more benchmark rows for GPT-6 Luna to see the family profile.
Editor's note
Recorded from the OpenAI API model page and pricing page on 23 Sep 2026, plus the 22 Sep developer announcement. The announcement also opens Luna to Free and Go users in the desktop app. No independent AA or Vals row yet. Editorial depth still needs a desk pass.
Benchmark placements

Where GPT-6 Luna places on each public benchmark source that publishes a row. Rank counts every model with a latest row in the same test — not a universal quality score.

No benchmark rows yet for GPT-6 Luna.

Family context

The three highest-scoring models with pages in each capability family. Where GPT-6 Luna shows up, it's highlighted.

Family coverage

A high composite that hides a weak family is a trap. These bars surface the families where this model hasn't been publicly tested, and where it leads.

No family coverage yet.
Price vs. performance
0255075100$0.10$0.30$1$3$10$30input USD / 1M tokens · log scale →← intelligence

Hover any dot for name, score, and input price. Keyboard: tab through the top twelve, or use the ranking below.

AnthropicOpenAIMistralAlibabaDeepSeekGoogleMoonshotMetaxAIMiniMaxZhipuXiaomiOtherMeituanCohereNVIDIA

Full benchmark ledger

Every catalog benchmark for GPT-6 Luna. Scores link to the original source; gaps mean no public row exists yet.

0 sourced rows

0 of 37 catalog benchmarks have a sourced row for GPT-6 Luna.

Changelog
  1. Public on the OpenAI API, Codex, and ChatGPT Work.
Sources

Questions this model page answers

Every answer below is assembled from the dated fields on this page. Nothing is written separately for search.

What is GPT-6 Luna?

GPT-6 Luna is a OpenAI model: OpenAI's 22 Sep 2026 Luna line for high-volume work. API list $0.10 / $0.50 per 1M tokens on short context, 1.05M context, 128K output, knowledge cutoff 18 May 2026. No AA or Vals ledger row on this page as of 23 Sep 2026.

What is GPT-6 Luna for?

Current OpenAI Luna line for high-volume extraction, routing, and everyday agent calls.

What does GPT-6 Luna cost?

GPT-6 Luna lists $0.10 input and $0.50 output per 1M tokens. Pricing last checked 2026-09-23.

How large is the GPT-6 Luna context window?

GPT-6 Luna publishes a 1M token context window.

What is the VerdictPal status of GPT-6 Luna?

GPT-6 Luna carries Flagship status on the model atlas.

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