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Claude 4.5 Haiku (Reasoning) vs DeepSeek V3.1 Terminus (Reasoning)
Anthropic vs DeepSeek — side-by-side benchmark comparison
| Claude 4.5 Haiku (Reasoning) | DeepSeek V3.1 Terminus (Reasoning) | |
|---|---|---|
| Intelligence Index | 37.1 | 33.9 |
| Coding Index | 32.6 | 33.7 |
| Math Index | 83.7 | 89.7 |
| Output speed (tok/s) | 142.2 | 0.0 |
| Blended price ($/1M) | $2.19 | $1.91 |
| Time to first token (s) | 10.48s | 0.00s |
| aime | — | — |
| aime 25 | 83.7% | 89.7% |
| artificial analysis coding index | 32.60 | 33.70 |
| artificial analysis intelligence index | 37.10 | 33.90 |
| artificial analysis math index | 83.70 | 89.70 |
| gpqa | 67.2% | 79.2% |
| hle | 9.7% | 15.2% |
| ifbench | 54.3% | 57.0% |
| lcr | 70.3% | 65.0% |
| livecodebench | 61.5% | 79.8% |
| math 500 | — | — |
| mmlu pro | 76.0% | 85.1% |
| scicode | 43.3% | 40.6% |
| tau2 | 54.7% | 37.1% |
| terminalbench hard | 27.3% | 30.3% |
Benchmark data from Artificial Analysis.