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GPT-5.6 Luna (high)
OpenAI · Released 2026-07-09 · Independent benchmark scores from Artificial Analysis
Intelligence Index
32.4
Output speed
113.1
tokens/sec
Blended price
$0.45
per 1M tokens
Time to first token
14.80s
Model metadata
| Model ID | aa55297e-8fbf-4372-b4ab-9b068dc6396c |
|---|---|
| Slug | gpt-5-6-luna-high |
| Release date | 2026-07-09 |
| Provider | OpenAI |
| Provider slug | openai |
| Output speed | 113.1 tok/s |
| Time to first token | 14.80s |
| Time to first answer | 14.80s |
| Blended price ($/1M) | $0.45 |
| Input price ($/1M) | $0.20 |
| Output price ($/1M) | $1.20 |
All evaluation scores (17)
| aime | — |
|---|---|
| aime 25 | — |
| artificial analysis coding index | 63.30 |
| artificial analysis intelligence index | 32.40 |
| artificial analysis math index | — |
| gpqa | 89.2% |
| hle | 33.4% |
| ifbench | — |
| lcr | 80.3% |
| livecodebench | — |
| math 500 | — |
| mmlu pro | — |
| scicode | 51.6% |
| tau banking | 25.2% |
| tau2 | — |
| terminalbench hard | — |
| terminalbench v2 1 | 69.7% |
Source: artificialanalysis.ai/models/gpt-5-6-luna-high
Benchmark data from Artificial Analysis.