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GPT-5.6 Luna (max)

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

Intelligence Index
51.2
Output speed
220.4
tokens/sec
Blended price
$2.25
per 1M tokens
Time to first token
84.29s

Model metadata

Model ID426d24c8-49ae-482a-b4a8-20f1c53f21c1
Sluggpt-5-6-luna
Release date2026-07-09
ProviderOpenAI
Provider slugopenai
Output speed220.4 tok/s
Time to first token84.29s
Time to first answer84.29s
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 index71.40
artificial analysis intelligence index51.20
artificial analysis math index
gpqa91.1%
hle37.2%
ifbench
lcr74.0%
livecodebench
math 500
mmlu pro
scicode52.5%
tau banking27.2%
tau2
terminalbench hard
terminalbench v2 180.9%

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

Benchmark data from Artificial Analysis.