# GPT-4.5 benchmark scores

OpenAI · model · https://benchgap.net/model/gpt-4-5 · data retrieved 2026-10-29

As of 2026-10-29, GPT-4.5 (OpenAI) has measured scores on 4 benchmarks and estimated scores on 20 more.

| Benchmark | Score | Source |
|---|---|---|
| [AA-GPQA Diamond](https://benchgap.net/b/aa-gpqa-diamond/current.md) | 67.4% | estimated ± 6.3 pp, medium confidence |
| [AA-HLE](https://benchgap.net/b/aa-hle/current.md) | 7.1% | estimated ± 5.0 pp, high confidence |
| [CritPt](https://benchgap.net/b/critpt/current.md) | 0.4% | estimated ± 4.0 pp, high confidence |
| [GPQA Diamond](https://benchgap.net/b/gpqa-diamond/current.md) | 69.7% | estimated ± 1.2 pp, high confidence |
| [HLE](https://benchgap.net/b/hle/current.md) | 8.7% | estimated ± 6.9 pp, medium confidence |
| [MMLU-Pro](https://benchgap.net/b/mmlu-pro/current.md) | 81.8% | estimated ± 4.0 pp, high confidence |
| [Artificial Analysis Intelligence Index](https://benchgap.net/b/artificialanalysis/current.md) | 9.6% | measured |
| [BBH](https://benchgap.net/b/bbh/current.md) | 96.6% | estimated ± 2.4 pp, low confidence |
| [GPQA](https://benchgap.net/b/gpqa/current.md) | 69.5% | measured |
| [MMLU](https://benchgap.net/b/mmlu/current.md) | 90.8% | measured |
| [AA-Omniscience Accuracy](https://benchgap.net/b/omniscienceaccuracy/current.md) | 30.0% | estimated ± 1.5 pp, high confidence |
| [MMMLU](https://benchgap.net/b/mmmlu/current.md) | 82.8% | estimated ± 1.7 pp, high confidence |
| [AA MMLU-Pro](https://benchgap.net/b/aa-mmlu-pro/current.md) | 84.8% | estimated ± 1.0 pp, low confidence |
| [ARC-AGI-1](https://benchgap.net/b/arcagi1/current.md) | 71.7% | estimated ± 8.1 pp, low confidence |
| [ARC-AGI-2](https://benchgap.net/b/arc-agi-2/current.md) | 22.4% | estimated ± 14.9 pp, low confidence |
| [Vals GPQA Diamond](https://benchgap.net/b/vals-gpqa-diamond/current.md) | 81.3% | estimated ± 5.3 pp, low confidence |
| [Vals MMLU-Pro](https://benchgap.net/b/vals-mmlu-pro/current.md) | 83.9% | estimated ± 2.1 pp, medium confidence |
| [HLE w/o tools](https://benchgap.net/b/hlenotools/current.md) | 29.0% | estimated ± 4.6 pp, medium confidence |
| [C-Eval](https://benchgap.net/b/ceval/current.md) | 88.4% | estimated ± 1.0 pp, medium confidence |
| [MMLU-Redux](https://benchgap.net/b/mmluredux/current.md) | 90.1% | estimated ± 1.2 pp, medium confidence |
| [SuperGPQA](https://benchgap.net/b/supergpqa/current.md) | 49.5% | estimated ± 8.2 pp, low confidence |
| [HealthBench (length-adjusted)](https://benchgap.net/b/healthbenchlengthadjusted/current.md) | 53.9% | estimated ± 3.3 pp, medium confidence |
| [HealthBench Professional (raw)](https://benchgap.net/b/healthbenchprofessionalraw/current.md) | 50.4% | estimated ± 8.6 pp, low confidence |
| [SimpleQA](https://benchgap.net/b/simpleqa/current.md) | 62.5% | measured |