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Claude 3.5 Sonnet (Oct '24) vs Claude Opus 4.5 (Reasoning)
Anthropic vs Anthropic — side-by-side benchmark comparison
| Claude 3.5 Sonnet (Oct '24) | Claude Opus 4.5 (Reasoning) | |
|---|---|---|
| Intelligence Index | 15.9 | 49.7 |
| Coding Index | 30.2 | 47.8 |
| Math Index | — | 91.3 |
| Output speed (tok/s) | 0.0 | 73.2 |
| Blended price ($/1M) | $6.56 | $10.94 |
| Time to first token (s) | 0.00s | 11.69s |
| aime | 15.7% | — |
| aime 25 | — | 91.3% |
| artificial analysis coding index | 30.20 | 47.80 |
| artificial analysis intelligence index | 15.90 | 49.70 |
| artificial analysis math index | — | 91.30 |
| gpqa | 59.9% | 86.6% |
| hle | 3.9% | 28.4% |
| ifbench | — | 58.0% |
| lcr | — | 74.0% |
| livecodebench | 38.1% | 87.1% |
| math 500 | 77.1% | — |
| mmlu pro | 77.2% | 89.5% |
| scicode | 36.6% | 49.5% |
| tau2 | — | 89.5% |
| terminalbench hard | — | 47.0% |
Benchmark data from Artificial Analysis.