# o1-pro vs Phi-2

> o1-pro has enough public results to be ranked (#264); Phi-2 does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/o1-pro-vs-phi-2
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- Phi-2 has downloadable open weights; the other is API-only.

## Snapshot

| | o1-pro | Phi-2 |
|---|---|---|
| Provider | OpenAI | Microsoft |
| Noometry Index | 31.2 | — |
| Rank | 264 | — |
| Context | 200K | — |
| Input $/M | $150 | — |
| Output $/M | $600 | — |
| Weights | Proprietary | Open |

## Coding

- o1-pro: —
- Phi-2: —

| Benchmark | o1-pro | Phi-2 |
|---|---|---|
| HumanEval+ | — | 45.1% |
| MBPP+ | — | 54.2% |

## Reasoning

- o1-pro: 20.2 (#223)
- Phi-2: —

| Benchmark | o1-pro | Phi-2 |
|---|---|---|
| ARC-AGI-1 | 23.3% | — |
| EnigmaEval | 6.1% | — |
| Adversarial NLI | — | 42.5% |
| BIG-Bench Hard | — | 59.4% |
| Epoch Capabilities Index | — | 107.62 |
| HellaSwag | — | 53.6% |
| WinoGrande | — | 54.7% |

## Knowledge

- o1-pro: 29.3 (#227)
- Phi-2: —

| Benchmark | o1-pro | Phi-2 |
|---|---|---|
| Humanity's Last Exam | 8.1% | — |
| ARC (AI2) Challenge | — | 75.9% |
| MMLU | — | 58.4% |
| OpenBookQA | — | 73.6% |
| TriviaQA | — | 45.2% |

## FAQ

### Is o1-pro better than Phi-2?

o1-pro has enough public results to be ranked (#264); Phi-2 does not yet, so treat this comparison as directional.

### How many benchmarks do o1-pro and Phi-2 share?

0 benchmarks have published results for both models. o1-pro has 3 scored results on Noometry and Phi-2 has 11.