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GPT-5.6 Terra (medium)
OpenAI · Released 2026-07-09 · Independent benchmark scores from Artificial Analysis
Intelligence Index
30.4
Output speed
91.4
tokens/sec
Blended price
$4.50
per 1M tokens
Time to first token
2.41s
Model metadata
| Model ID | 26e0f83a-ca98-4f34-94ac-7c5e251ee410 |
|---|---|
| Slug | gpt-5-6-terra-medium |
| Release date | 2026-07-09 |
| Provider | OpenAI |
| Provider slug | openai |
| Output speed | 91.4 tok/s |
| Time to first token | 2.41s |
| Time to first answer | 2.41s |
| Blended price ($/1M) | $4.50 |
| Input price ($/1M) | $2.00 |
| Output price ($/1M) | $12.00 |
All evaluation scores (17)
| aime | — |
|---|---|
| aime 25 | — |
| artificial analysis coding index | 64.70 |
| artificial analysis intelligence index | 30.40 |
| artificial analysis math index | — |
| gpqa | 87.2% |
| hle | 33.3% |
| ifbench | 62.2% |
| lcr | 74.0% |
| livecodebench | — |
| math 500 | — |
| mmlu pro | — |
| scicode | 50.5% |
| tau banking | 25.6% |
| tau2 | 72.8% |
| terminalbench hard | — |
| terminalbench v2 1 | 72.3% |
Source: artificialanalysis.ai/models/gpt-5-6-terra-medium
Benchmark data from Artificial Analysis.