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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
$2.25
per 1M tokens
Time to first token
84.29s
Model metadata
| Model ID | 426d24c8-49ae-482a-b4a8-20f1c53f21c1 |
|---|---|
| Slug | gpt-5-6-luna |
| Release date | 2026-07-09 |
| Provider | OpenAI |
| Provider slug | openai |
| Output speed | 220.4 tok/s |
| Time to first token | 84.29s |
| Time to first answer | 84.29s |
| Blended price ($/1M) | $2.25 |
| Input price ($/1M) | $1.00 |
| Output price ($/1M) | $6.00 |
All evaluation scores (17)
| aime | — |
|---|---|
| aime 25 | — |
| artificial analysis coding index | 71.40 |
| artificial analysis intelligence index | 51.20 |
| artificial analysis math index | — |
| gpqa | 91.1% |
| hle | 37.2% |
| ifbench | — |
| lcr | 74.0% |
| livecodebench | — |
| math 500 | — |
| mmlu pro | — |
| scicode | 52.5% |
| tau banking | 27.2% |
| tau2 | — |
| terminalbench hard | — |
| terminalbench v2 1 | 80.9% |
Source: artificialanalysis.ai/models/gpt-5-6-luna
Benchmark data from Artificial Analysis.