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GPT-5.6 Luna (low)

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

Grok 4Q:0.0
$11.00+389%
MiMo-V2-Flash (Feb 2026)Q:-0.1
$0.15-93%
Gemini 3 Pro Preview (low)Q:-0.2
$4.50+100%
GPT-5.5 Instant (May 2026)Q:+0.2
$11.25+400%

Performance

233

tokens/sec

Faster than 94% of models

1.03

seconds

Faster than 56% of models

1.03

seconds

Faster than 69% of models

Market Median

93 tok/s

150% faster

Median TTFT

1.14s

10% faster

Throughput/Dollar

104

tok/s per $/1M

Speed Comparison

GPT-5.6 Luna (medium)
232 tok/s-1%
OpenAI: GPT-5.6 Luna
231 tok/s-1%
Sarvam 30B (high)
231 tok/s-1%

Benchmarks

MMLU-ProNot evaluated
GPQA Diamond
83.5%
HLE
18.8%
LiveCodeBenchNot evaluated
SciCode
45.6%
TerminalBench HardNot evaluated
MATH-500Not evaluated
AIMENot evaluated
AIME 2025Not evaluated
IFBenchNot evaluated
Long Context Recall
59.3%
Tau2Not evaluated
Market AverageTop Score

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