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GPT-6 Luna

New· 4

OpenAI's high-volume GPT-6 model for focused, frequent work, with a 1,050,000-token context and text and image input

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About GPT-6 Luna

GPT-6 Luna is the high-volume option in OpenAI's GPT-6 range. OpenAI announced it on 22 September 2026, and it is served through the API under the identifier gpt-6-luna.

Features

  • Focused, frequent work: OpenAI positions it for high-frequency tasks rather than long reasoning.
  • Speed: Artificial Analysis measures 157.2 output tokens per second, ahead of the other two frontier models released that day.
  • Text and image input: accepts text and images, and returns text.
  • Where it runs: free and Go users reach it in the ChatGPT desktop app, while subscribers on Plus, Pro, Business, Enterprise and Edu plans get it in ChatGPT Work and Codex.

Clients

Developers running frequent, focused tasks through the API, and ChatGPT users on the free and Go plans.

Key facts

  • Context: 1,050,000 tokens, with a 128,000-token output limit.
  • Knowledge cut-off: 18 May 2026.
  • Independent score: 37 on version 4.3.2 of the Artificial Analysis Intelligence Index.
  • Lifecycle: twelve older snapshots, announced in April 2026, are withdrawn on 23 October 2026.

Profile written by TrustList from the business's own published information, Oct 2026.

Benchmarks & AI stats

AI model rankings
BenchmarkOfficialCommunity avg
Artificial Analysis Intelligence Index v4.3.2llm37 index-

“Official” values are editor-approved and feed the ranking. “Community avg” is the mean of member submissions (shown for transparency; it never affects the ranking until an editor approves a value).

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Trust Score

4/ 100
Trust Score: New

An earned signal from verification, reviews, awards, transparency and engagement - the vendor can't buy it.

Verification
0/100 · 20%
Reviews
0/100 · 30%
Awards
0/100 · 15%
Transparency
18/100 · 20%
Engagement
0/100 · 15%
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Updated 9/23/2026

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