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Gemini 2.5 Flash Preview (Sep '25) (Reasoning) vs Claude 4.1 Opus (Reasoning)
Google vs Anthropic — side-by-side benchmark comparison
| Gemini 2.5 Flash Preview (Sep '25) (Reasoning) | Claude 4.1 Opus (Reasoning) | |
|---|---|---|
| Intelligence Index | 31.1 | 42.0 |
| Coding Index | 24.6 | 36.5 |
| Math Index | 78.3 | 80.3 |
| Output speed (tok/s) | 0.0 | 44.5 |
| Blended price ($/1M) | $0.00 | $32.81 |
| Time to first token (s) | 0.00s | 8.55s |
| aime | — | — |
| aime 25 | 78.3% | 80.3% |
| artificial analysis coding index | 24.60 | 36.50 |
| artificial analysis intelligence index | 31.10 | 42.00 |
| artificial analysis math index | 78.30 | 80.30 |
| gpqa | 79.3% | 80.9% |
| hle | 12.7% | 11.9% |
| ifbench | 52.3% | 55.4% |
| lcr | 64.3% | 66.3% |
| livecodebench | 71.3% | 65.4% |
| math 500 | — | — |
| mmlu pro | 84.2% | 88.0% |
| scicode | 40.5% | 40.9% |
| tau2 | 45.6% | 71.4% |
| terminalbench hard | 16.7% | 34.3% |
Benchmark data from Artificial Analysis.