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GPT-5.6 Luna (Xhigh)
OpenAI · Released 2026-07-09 · Independent benchmark scores from Artificial Analysis
Intelligence Index
34.6
Output speed
0.0
tokens/sec
Blended price
$0.45
per 1M tokens
Time to first token
0.00s
Model metadata
| Model ID | 87110ff0-1f79-41b4-9976-eda250597317 |
|---|---|
| Slug | gpt-5-6-luna-xhigh |
| Release date | 2026-07-09 |
| Provider | OpenAI |
| Provider slug | openai |
| Output speed | 0.0 tok/s |
| Time to first token | 0.00s |
| Time to first answer | 0.00s |
| Blended price ($/1M) | $0.45 |
| Input price ($/1M) | $0.20 |
| Output price ($/1M) | $1.20 |
All evaluation scores (18)
| aime | — |
|---|---|
| aime 25 | — |
| artificial analysis coding index | 68.60 |
| artificial analysis intelligence index | 34.60 |
| artificial analysis math index | — |
| gpqa | 89.5% |
| hle | 37.0% |
| ifbench | — |
| lcr | 81.7% |
| livecodebench | — |
| math 500 | — |
| mmlu pro | — |
| scicode | 50.5% |
| tau banking | 28.7% |
| tau2 | — |
| terminalbench hard | — |
| terminalbench v2 1 | 77.9% |
| terminalbench v4 0 | 3.5% |
Source: artificialanalysis.ai/models/gpt-5-6-luna-xhigh
Benchmark data from Artificial Analysis.