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Claude 4.5 Sonnet (Reasoning) vs DeepSeek R1 0528 (May '25)
Anthropic vs DeepSeek — side-by-side benchmark comparison
| Claude 4.5 Sonnet (Reasoning) | DeepSeek R1 0528 (May '25) | |
|---|---|---|
| Intelligence Index | 43.0 | 27.1 |
| Coding Index | 38.6 | 24.0 |
| Math Index | 88.0 | 76.0 |
| Output speed (tok/s) | 55.0 | 0.0 |
| Blended price ($/1M) | $6.56 | $2.06 |
| Time to first token (s) | 7.02s | 0.00s |
| aime | — | 89.3% |
| aime 25 | 88.0% | 76.0% |
| artificial analysis coding index | 38.60 | 24.00 |
| artificial analysis intelligence index | 43.00 | 27.10 |
| artificial analysis math index | 88.00 | 76.00 |
| gpqa | 83.4% | 81.3% |
| hle | 17.3% | 14.9% |
| ifbench | 57.3% | 39.6% |
| lcr | 65.7% | 54.7% |
| livecodebench | 71.4% | 77.0% |
| math 500 | — | 98.3% |
| mmlu pro | 87.5% | 84.9% |
| scicode | 44.7% | 40.3% |
| tau2 | 78.1% | 36.5% |
| terminalbench hard | 35.6% | 15.9% |
Benchmark data from Artificial Analysis.