# Phi-1.5 vs Phi-2

> Neither Phi-1.5 nor Phi-2 has enough public benchmark results to be ranked yet; the rows below show what has been published.

- Canonical page: https://noometry.com/compare/phi-1-5-vs-phi-2
- Last updated: 2026-10-10
- Shared benchmarks: 6

## Summary

- They share 6 benchmarks with published results for both.

## Snapshot

| | Phi-1.5 | Phi-2 |
|---|---|---|
| Provider | Microsoft | Microsoft |
| Noometry Index | — | — |
| Rank | — | — |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Phi-1.5: —
- Phi-2: —

| Benchmark | Phi-1.5 | Phi-2 |
|---|---|---|
| HumanEval+ | — | 45.1% |
| MBPP+ | — | 54.2% |

## Reasoning

- Phi-1.5: —
- Phi-2: —

| Benchmark | Phi-1.5 | Phi-2 |
|---|---|---|
| Epoch Capabilities Index | 90.82 | 107.62 |
| HellaSwag | 47.6% | 53.6% |
| WinoGrande | 73.4% | 54.7% |
| Adversarial NLI | — | 42.5% |
| BIG-Bench Hard | — | 59.4% |

## Knowledge

- Phi-1.5: —
- Phi-2: —

| Benchmark | Phi-1.5 | Phi-2 |
|---|---|---|
| ARC (AI2) Challenge | 44.4% | 75.9% |
| MMLU | 37.6% | 58.4% |
| OpenBookQA | 37.2% | 73.6% |
| BoolQ | 75.8% | — |
| TriviaQA | — | 45.2% |

## FAQ

### Is Phi-1.5 better than Phi-2?

Neither Phi-1.5 nor Phi-2 has enough public benchmark results to be ranked yet; the rows below show what has been published.

### How many benchmarks do Phi-1.5 and Phi-2 share?

6 benchmarks have published results for both models. Phi-1.5 has 7 scored results on Noometry and Phi-2 has 11.
