← All comparisons
GPT-5.5 (high) vs Claude 4.1 Opus (Non-reasoning)
OpenAI vs Anthropic — side-by-side benchmark comparison
| GPT-5.5 (high) | Claude 4.1 Opus (Non-reasoning) | |
|---|---|---|
| Intelligence Index | 58.9 | 36.0 |
| Coding Index | 58.5 | — |
| Math Index | — | — |
| Output speed (tok/s) | 66.7 | 44.7 |
| Blended price ($/1M) | $11.25 | $32.81 |
| Time to first token (s) | 16.72s | 1.63s |
| aime | — | — |
| aime 25 | — | — |
| artificial analysis coding index | 58.50 | — |
| artificial analysis intelligence index | 58.90 | 36.00 |
| artificial analysis math index | — | — |
| gpqa | 93.2% | — |
| hle | 43.0% | — |
| ifbench | 71.6% | — |
| lcr | 73.3% | — |
| livecodebench | — | — |
| math 500 | — | — |
| mmlu pro | — | — |
| scicode | 55.9% | — |
| tau2 | 93.0% | — |
| terminalbench hard | 59.8% | — |
Benchmark data from Artificial Analysis.