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Claude 4.1 Opus (Non-reasoning) vs Grok 4 Fast (Reasoning)
Anthropic vs xAI — side-by-side benchmark comparison
| Claude 4.1 Opus (Non-reasoning) | Grok 4 Fast (Reasoning) | |
|---|---|---|
| Intelligence Index | 36.0 | 35.1 |
| Coding Index | — | 27.4 |
| Math Index | — | 89.7 |
| Output speed (tok/s) | 44.7 | 0.0 |
| Blended price ($/1M) | $32.81 | $0.28 |
| Time to first token (s) | 1.63s | 0.00s |
| aime | — | — |
| aime 25 | — | 89.7% |
| artificial analysis coding index | — | 27.40 |
| artificial analysis intelligence index | 36.00 | 35.10 |
| artificial analysis math index | — | 89.70 |
| gpqa | — | 84.7% |
| hle | — | 17.0% |
| ifbench | — | 50.5% |
| lcr | — | 64.7% |
| livecodebench | — | 83.2% |
| math 500 | — | — |
| mmlu pro | — | 85.0% |
| scicode | — | 44.2% |
| tau2 | — | 65.8% |
| terminalbench hard | — | 18.9% |
Benchmark data from Artificial Analysis.