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Gemini 2.5 Flash Preview (Reasoning) vs Claude 4.5 Sonnet (Reasoning)
Google vs Anthropic — side-by-side benchmark comparison
| Gemini 2.5 Flash Preview (Reasoning) | Claude 4.5 Sonnet (Reasoning) | |
|---|---|---|
| Intelligence Index | 24.3 | 43.0 |
| Coding Index | — | 38.6 |
| Math Index | — | 88.0 |
| Output speed (tok/s) | 0.0 | 55.0 |
| Blended price ($/1M) | $0.00 | $6.56 |
| Time to first token (s) | 0.00s | 7.02s |
| aime | 84.3% | — |
| aime 25 | — | 88.0% |
| artificial analysis coding index | — | 38.60 |
| artificial analysis intelligence index | 24.30 | 43.00 |
| artificial analysis math index | — | 88.00 |
| gpqa | 69.8% | 83.4% |
| hle | 11.6% | 17.3% |
| ifbench | — | 57.3% |
| lcr | — | 65.7% |
| livecodebench | 50.5% | 71.4% |
| math 500 | 98.1% | — |
| mmlu pro | 80.0% | 87.5% |
| scicode | 35.9% | 44.7% |
| tau2 | — | 78.1% |
| terminalbench hard | — | 35.6% |
Benchmark data from Artificial Analysis.