Model comparison

Mercury 2.5 vs Phi-1.5

Neither Mercury 2.5 nor Phi-1.5 has enough public benchmark results to be ranked yet; the rows below show what has been published.

Last verified . 0 shared benchmarks.

Mercury 2.5 Inception

30.2

Unranked Sparse

Phi-1.5 Microsoft

—

Unranked

Summary

  • Phi-1.5 has downloadable open weights; the other is API-only.

Side by side

Mercury 2.5 and Phi-1.5 specifications
Mercury 2.5Phi-1.5
ProviderInceptionMicrosoft
Noometry Index30.2—
Released2026-09-082023-09-11
WeightsProprietaryOpen
Context window260K—
Max output66K—
Input $ / M tokens$0.04—
Output $ / M tokens$0.15—
Results tracked27

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Category by category

Coding Not comparable

Mercury 2.5: —, Phi-1.5: —

Coding benchmarks
BenchmarkMercury 2.5Phi-1.5
ALE-Bench301.65—

Reasoning Not comparable

Mercury 2.5: —, Phi-1.5: —

Reasoning benchmarks
BenchmarkMercury 2.5Phi-1.5
Epoch Capabilities Index—90.82
HellaSwag—47.6%
WinoGrande—73.4%

Math Not comparable

Mercury 2.5: 22.4, Phi-1.5: —

Math benchmarks
BenchmarkMercury 2.5Phi-1.5
ProofBench3%—

Knowledge Not comparable

Mercury 2.5: —, Phi-1.5: —

Knowledge benchmarks
BenchmarkMercury 2.5Phi-1.5
ARC (AI2) Challenge—44.4%
BoolQ—75.8%
MMLU—37.6%
OpenBookQA—37.2%

Frequently asked questions

Is Mercury 2.5 better than Phi-1.5?

Neither Mercury 2.5 nor Phi-1.5 has enough public benchmark results to be ranked yet; the rows below show what has been published.

How many benchmarks do Mercury 2.5 and Phi-1.5 share?

0 benchmarks have published results for both models. Mercury 2.5 has 2 scored results on Noometry and Phi-1.5 has 7.

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