GPT-5.6 Luna (xhigh)

by OpenAI | Rank #45 of 624 | Proprietary

INTELLIGENCE
50.1
Input Price
$0.20
per 1M tokens
Output Price
$1.20
per 1M tokens
Speed
120.5 tok/s
output tokens/sec
Latency (TTFT)
19.72s
time to first token

Benchmark Scores

Intelligence Index50.1
Coding Index68.6
GPQA Diamond89.5%

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Benchmark and pricing data provided by Artificial Analysis. Updated hourly. Last checked: 2026-08-29