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Claude Sonnet 4.6 (Non-reasoning, Low Effort) vs Claude 4.5 Sonnet (Reasoning)
Anthropic vs Anthropic — side-by-side benchmark comparison
| Claude Sonnet 4.6 (Non-reasoning, Low Effort) | Claude 4.5 Sonnet (Reasoning) | |
|---|---|---|
| Intelligence Index | 42.6 | 43.0 |
| Coding Index | 43.0 | 38.6 |
| Math Index | — | 88.0 |
| Output speed (tok/s) | 54.9 | 55.0 |
| Blended price ($/1M) | $6.56 | $6.56 |
| Time to first token (s) | 1.13s | 7.02s |
| aime | — | — |
| aime 25 | — | 88.0% |
| artificial analysis coding index | 43.00 | 38.60 |
| artificial analysis intelligence index | 42.60 | 43.00 |
| artificial analysis math index | — | 88.00 |
| gpqa | 79.7% | 83.4% |
| hle | 10.8% | 17.3% |
| ifbench | 42.4% | 57.3% |
| lcr | 58.7% | 65.7% |
| livecodebench | — | 71.4% |
| math 500 | — | — |
| mmlu pro | — | 87.5% |
| scicode | 44.1% | 44.7% |
| tau2 | 78.9% | 78.1% |
| terminalbench hard | 42.4% | 35.6% |
Benchmark data from Artificial Analysis.