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/GPT-5.6 Luna
OpenAI

GPT-5.6 Luna

The fastest and most affordable GPT-5.6 tier, intended for high-volume work that still needs strong capability.

Pricing & availability:

  • OpenAIOpenAI API

    $1 / $6 per M
Strengths:
speedvalueagentic coding
Share:
Details:

  • OpenAIProvider

    OpenAI

  • Context window

    1.05M

  • Input price

    $1/M

  • Output price

    $6/M

  • Open weights

    No

  • Released

    Jul 2026
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Benchmark scores:
BenchmarkRankScore
  • Artificial Analysis Intelligence Index logoArtificial Analysis Intelligence Index
    Rank—
    Score51.2
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