Leaderboard/GPT-5.6 Luna

GPT-5.6 Luna

by OpenAI · ID gpt-5-6-luna · Released 2026-07 · Proprietary

1453ELO

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1453

ELO Score

MMLU

HumanEval

1.05M

Context Window

$0.20

Input Price

About GPT-5.6 Luna

Fastest and cheapest GPT-5.6 tier, cut 80% in price on July 30, 2026. At $0.20 per million input tokens it is priced for high-volume classification, routing and extraction rather than deep reasoning. Arena text score 1453 (GPT-5.6 Luna (xHigh), 41,317 votes), leaderboard of 27 October 2026.

Output Price

$1.20

License

Proprietary

Official Website

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