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GPT-5.6 Terra (xhigh)
OpenAI · Released 2026-07-09 · Independent benchmark scores from Artificial Analysis
Intelligence Index
51.6
Output speed
136.7
tokens/sec
Blended price
$5.63
per 1M tokens
Time to first token
9.55s
Model metadata
| Model ID | 9e30696f-16fa-4b4f-ba53-161895a85fed |
|---|---|
| Slug | gpt-5-6-terra-xhigh |
| Release date | 2026-07-09 |
| Provider | OpenAI |
| Provider slug | openai |
| Output speed | 136.7 tok/s |
| Time to first token | 9.55s |
| Time to first answer | 9.55s |
| Blended price ($/1M) | $5.63 |
| Input price ($/1M) | $2.50 |
| Output price ($/1M) | $15.00 |
All evaluation scores (17)
| aime | — |
|---|---|
| aime 25 | — |
| artificial analysis coding index | 70.60 |
| artificial analysis intelligence index | 51.60 |
| artificial analysis math index | — |
| gpqa | 90.8% |
| hle | 40.0% |
| ifbench | 66.3% |
| lcr | 71.3% |
| livecodebench | — |
| math 500 | — |
| mmlu pro | — |
| scicode | 51.6% |
| tau banking | 24.3% |
| tau2 | 80.4% |
| terminalbench hard | 62.9% |
| terminalbench v2 1 | 80.1% |
Source: artificialanalysis.ai/models/gpt-5-6-terra-xhigh
Benchmark data from Artificial Analysis.