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GPT-5.6 Luna (high)

OpenAI·Released 2026-07-09
Multimodal

Pricing

Input

$1.00

per 1M tokens

Output

$6.00

per 1M tokens

Blended

$2.25

per 1M tokens

Cheaper than 26% of models. Median price is $0.67/1M tokens.

Cost Calculator

Tokens per day1M
100K100M

Daily

$2.25

Monthly

$67.50

vs. Similar Models

Qwen: Qwen3.7 MaxQ:-0.1
$1.88-17%
Google: Gemini 3.1 Pro PreviewQ:+0.4
$4.50+100%
GPT-5.6 Terra (medium)Q:-0.5
$5.63+150%
Gemini 3.5 Flash (medium)Q:-0.7
$3.38+50%

Performance

205

tokens/sec

Faster than 89% of models

5.28

seconds

Faster than 19% of models

5.28

seconds

Faster than 47% of models

Market Median

93 tok/s

120% faster

Median TTFT

1.14s

363% slower

Throughput/Dollar

91

tok/s per $/1M

Speed Comparison

Gemini 3 Flash Preview (Reasoning)
206 tok/s+1%
GPT-5.6 Luna (Non-reasoning)
207 tok/s+1%
Grok 4.20 0309 (Reasoning)
203 tok/s-1%

Benchmarks

MMLU-ProNot evaluated
GPQA Diamond
89.2%
HLE
31.6%
LiveCodeBenchNot evaluated
SciCode
50.7%
TerminalBench HardNot evaluated
MATH-500Not evaluated
AIMENot evaluated
AIME 2025Not evaluated
IFBenchNot evaluated
Long Context Recall
69.0%
Tau2Not evaluated
Market AverageTop Score

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