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Claude 4.5 Haiku (Non-reasoning) vs GPT-5 (high)
Anthropic vs OpenAI — side-by-side benchmark comparison
| Claude 4.5 Haiku (Non-reasoning) | GPT-5 (high) | |
|---|---|---|
| Intelligence Index | 31.0 | 44.6 |
| Coding Index | 29.6 | 36.0 |
| Math Index | 39.0 | 94.3 |
| Output speed (tok/s) | 105.8 | 104.0 |
| Blended price ($/1M) | $2.19 | $3.44 |
| Time to first token (s) | 0.65s | 82.62s |
| aime | — | 95.7% |
| aime 25 | 39.0% | 94.3% |
| artificial analysis coding index | 29.60 | 36.00 |
| artificial analysis intelligence index | 31.00 | 44.60 |
| artificial analysis math index | 39.00 | 94.30 |
| gpqa | 64.6% | 85.4% |
| hle | 4.3% | 26.5% |
| ifbench | 42.0% | 73.1% |
| lcr | 43.7% | 75.6% |
| livecodebench | 51.1% | 84.6% |
| math 500 | — | 99.4% |
| mmlu pro | 80.0% | 87.1% |
| scicode | 34.4% | 42.9% |
| tau2 | 32.5% | 84.8% |
| terminalbench hard | 27.3% | 32.6% |
Benchmark data from Artificial Analysis.