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OpenAI: GPT-5.6 Luna

OpenAI: GPT-5.6 Luna is openai's model. It is not yet scored on the meo first-party benchmark; aggregated third-party results and OpenRouter metadata are shown below.

Model details

Released
2026-07-09
Weights
—
Context
1.1M
Max output
128K
Knowledge cutoff
2026-02-16
Price in
$0.20/M
Price out
$1.20/M
Modality
text+image+file->text

Sources: openrouter

FAQ

Is OpenAI: GPT-5.6 Luna open weights?

Open-weights status for OpenAI: GPT-5.6 Luna is not recorded.

Related: all OpenAI models · best Effective Value · biggest movers · methodology · full leaderboard.