Model comparison

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.

Last verified . 0 shared benchmarks.

o1-pro OpenAI

31.2

Rank #264 Reported

Phi-2 Microsoft

—

Unranked

Summary

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

Side by side

o1-pro and Phi-2 specifications
o1-proPhi-2
ProviderOpenAIMicrosoft
Noometry Index31.2—
Released2025-03-192023-12-12
WeightsProprietaryOpen
Context window200K—
Max output100K—
Input $ / M tokens$150—
Output $ / M tokens$600—
Results tracked311

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Category by category

Coding Not comparable

o1-pro: —, Phi-2: —

Coding benchmarks
Benchmarko1-proPhi-2
HumanEval+—45.1%
MBPP+—54.2%

Reasoning Not comparable

o1-pro: 20.2 (#223), Phi-2: —

Reasoning benchmarks
Benchmarko1-proPhi-2
ARC-AGI-123.3%—
EnigmaEval6.1%—
Adversarial NLI—42.5%
BIG-Bench Hard—59.4%
Epoch Capabilities Index—107.62
HellaSwag—53.6%
WinoGrande—54.7%

Knowledge Not comparable

o1-pro: 29.3 (#227), Phi-2: —

Knowledge benchmarks
Benchmarko1-proPhi-2
Humanity's Last Exam8.1%—
ARC (AI2) Challenge—75.9%
MMLU—58.4%
OpenBookQA—73.6%
TriviaQA—45.2%

Frequently asked questions

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.

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