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OpenAI

GPT-5.6 Luna (xHigh)

Released 2026-07-09 · Context 1050K · Data snapshot 2026-10-22

Overall score

59.0

Ranked #27
Benchmark coverage
90.9%
20 third-party benchmarks
Context window
1050K
tokens
Input price
$0.20
Cache read $0.02
Output price
$1.20
per million tokens
OpenRouter usage
#19
1.7T tokens/day

Prices converted at snapshot-day rate (USD/CNY 6.6761)

Dimension performance

Reasoning65.2
Human preference64.6
Knowledge57.9
Coding57.5
Office55.3
Above averageBelow averageAnchored at 50 (reference models’ average); every 15 points ≈ one standard deviation

Benchmark details

Coding5 items
LiveBench 2.0 · Coding73.6
AA Coding Index71.4
LiveBench 2.0 · Browser68
AA Agentic Index42.1
LiveBench 2.0 · Long Agentic30.4
Reasoning3 items
LiveBench 2.0 · Reasoning85.6
FrontierMath (Tiers 1-3)max82.1
AA Intelligence Index37.3
Office9 items
LiveBench 2.0 · Data Analysis78
LiveBench 2.0 · Design76
LiveBench 2.0 · Research51
AA Strategy & Ops44.1
AA Economics42.7
AA Finance & Accounting40.1
AA Legal36.9
AA Engineering36.2
AA Healthcare & Medical35.8
Knowledge2 items
GPQA Diamondmax91.6
SimpleQA Verifiedmax41
Human preference1 items
LMArena Human Blind Vote1452.4714

Multiple reasoning tiers of the same benchmark take the best value; raw scores have different scales and are not comparable across benchmarks.

Score trend

2026-10-202026-10-22
View daily data
2026-10-2259.0
2026-10-2158.9
2026-10-2058.9
Scores and prices come from third-party public data (Artificial Analysis / LMArena / OpenRouter). 50 is the reference models’ average; every 15 points ≈ one standard deviation. Prices are converted at snapshot-day rates and provided for reference only. Return to LLM Leaderboard.