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GPT-5.6 Luna (medium)

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

MoonshotAI: Kimi K2.5Q:0.0
$0.79-65%
MiniMax: MiniMax M2.7Q:0.0
$0.42-81%
Z.ai: GLM 5 TurboQ:0.0
$1.90-16%
OpenAI: GPT-5.4 NanoQ:+0.1
$0.46-79%

Performance

232

tokens/sec

Faster than 94% of models

1.61

seconds

Faster than 33% of models

1.61

seconds

Faster than 57% of models

Market Median

93 tok/s

148% faster

Median TTFT

1.14s

41% slower

Throughput/Dollar

103

tok/s per $/1M

Speed Comparison

OpenAI: GPT-5.6 Luna
231 tok/s-0%
Sarvam 30B (high)
231 tok/s-0%
GPT-5.6 Luna (low)
233 tok/s+1%

Benchmarks

MMLU-ProNot evaluated
GPQA Diamond
85.9%
HLE
24.5%
LiveCodeBenchNot evaluated
SciCode
45.8%
TerminalBench HardNot evaluated
MATH-500Not evaluated
AIMENot evaluated
AIME 2025Not evaluated
IFBenchNot evaluated
Long Context Recall
66.0%
Tau2Not evaluated
Market AverageTop Score

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