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GPT-5.6 Luna (high)

OpenAI · Released 2026-07-09 · Independent benchmark scores from Artificial Analysis

Intelligence Index
46.1
Output speed
211.7
tokens/sec
Blended price
$2.25
per 1M tokens
Time to first token
7.66s

Model metadata

Model IDaa55297e-8fbf-4372-b4ab-9b068dc6396c
Sluggpt-5-6-luna-high
Release date2026-07-09
ProviderOpenAI
Provider slugopenai
Output speed211.7 tok/s
Time to first token7.66s
Time to first answer7.66s
Blended price ($/1M)$2.25
Input price ($/1M)$1.00
Output price ($/1M)$6.00

All evaluation scores (17)

aime
aime 25
artificial analysis coding index63.30
artificial analysis intelligence index46.10
artificial analysis math index
gpqa89.2%
hle31.6%
ifbench
lcr69.0%
livecodebench
math 500
mmlu pro
scicode50.7%
tau banking22.3%
tau2
terminalbench hard
terminalbench v2 169.7%

Source: artificialanalysis.ai/models/gpt-5-6-luna-high

Benchmark data from Artificial Analysis.