← All comparisons
GPT-5.5 Pro (xhigh) vs Grok 3 mini Reasoning (high)
OpenAI vs xAI — side-by-side benchmark comparison
| GPT-5.5 Pro (xhigh) | Grok 3 mini Reasoning (high) | |
|---|---|---|
| Intelligence Index | — | 32.1 |
| Coding Index | — | 25.2 |
| Math Index | — | 84.7 |
| Output speed (tok/s) | 0.0 | 56.8 |
| Blended price ($/1M) | $0.00 | $0.35 |
| Time to first token (s) | 0.00s | 0.42s |
| aime | — | 93.3% |
| aime 25 | — | 84.7% |
| artificial analysis coding index | — | 25.20 |
| artificial analysis intelligence index | — | 32.10 |
| artificial analysis math index | — | 84.70 |
| gpqa | — | 79.1% |
| hle | — | 11.1% |
| ifbench | — | 45.9% |
| lcr | — | 50.3% |
| livecodebench | — | 69.6% |
| math 500 | — | 99.2% |
| mmlu pro | — | 82.8% |
| scicode | — | 40.6% |
| tau2 | — | 90.4% |
| terminalbench hard | — | 17.4% |
Benchmark data from Artificial Analysis.