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GPT-5.2 (xhigh) vs Claude 4.1 Opus (Reasoning)
OpenAI vs Anthropic — side-by-side benchmark comparison
| GPT-5.2 (xhigh) | Claude 4.1 Opus (Reasoning) | |
|---|---|---|
| Intelligence Index | 51.3 | 42.0 |
| Coding Index | 48.7 | 36.5 |
| Math Index | 99.0 | 80.3 |
| Output speed (tok/s) | 77.2 | 44.5 |
| Blended price ($/1M) | $4.81 | $32.81 |
| Time to first token (s) | 64.17s | 8.55s |
| aime | — | — |
| aime 25 | 99.0% | 80.3% |
| artificial analysis coding index | 48.70 | 36.50 |
| artificial analysis intelligence index | 51.30 | 42.00 |
| artificial analysis math index | 99.00 | 80.30 |
| gpqa | 90.3% | 80.9% |
| hle | 35.4% | 11.9% |
| ifbench | 75.4% | 55.4% |
| lcr | 72.7% | 66.3% |
| livecodebench | 88.9% | 65.4% |
| math 500 | — | — |
| mmlu pro | 87.4% | 88.0% |
| scicode | 52.1% | 40.9% |
| tau2 | 84.8% | 71.4% |
| terminalbench hard | 47.0% | 34.3% |
Benchmark data from Artificial Analysis.