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gpt-oss-20b (high)
OpenAI · Released 2025-08-05 · Independent benchmark scores from Artificial Analysis
Intelligence Index
9.1
Output speed
184.3
tokens/sec
Blended price
$0.09
per 1M tokens
Time to first token
0.42s
Model metadata
| Model ID | 36f73aaf-d38a-4b56-a2b3-d04d17186910 |
|---|---|
| Slug | gpt-oss-20b |
| Release date | 2025-08-05 |
| Provider | OpenAI |
| Provider slug | openai |
| Output speed | 184.3 tok/s |
| Time to first token | 0.42s |
| Time to first answer | 11.27s |
| Blended price ($/1M) | $0.09 |
| Input price ($/1M) | $0.06 |
| Output price ($/1M) | $0.19 |
All evaluation scores (17)
| aime | — |
|---|---|
| aime 25 | 89.3% |
| artificial analysis coding index | 20.70 |
| artificial analysis intelligence index | 9.10 |
| artificial analysis math index | 89.30 |
| gpqa | 68.8% |
| hle | 11.0% |
| ifbench | 65.1% |
| lcr | 34.7% |
| livecodebench | 77.7% |
| math 500 | — |
| mmlu pro | 74.8% |
| scicode | — |
| tau banking | 7.0% |
| tau2 | 60.2% |
| terminalbench hard | 10.6% |
| terminalbench v2 1 | 13.9% |
Source: artificialanalysis.ai/models/gpt-oss-20b
Benchmark data from Artificial Analysis.