# Claude 2 vs Phi-1.5

> Claude 2 has enough public results to be ranked (#342); Phi-1.5 does not yet, so treat this comparison as directional.

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

## Summary

- They share 2 benchmarks with published results for both.
- Phi-1.5 has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 2 | Phi-1.5 |
|---|---|---|
| Provider | Anthropic | Microsoft |
| Noometry Index | 24.7 | — |
| Rank | 342 | — |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 2: —
- Phi-1.5: —

| Benchmark | Claude 2 | Phi-1.5 |
|---|---|---|
| HumanEval+ | 61.6% | — |

## Reasoning

- Claude 2: 20.8 (#213)
- Phi-1.5: —

| Benchmark | Claude 2 | Phi-1.5 |
|---|---|---|
| Epoch Capabilities Index | 120.08 | 90.82 |
| DTBench | 51.9% | — |
| HellaSwag | — | 47.6% |
| WinoGrande | — | 73.4% |

## Math

- Claude 2: 8.7 (#314)
- Phi-1.5: —

| Benchmark | Claude 2 | Phi-1.5 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| MATH Level 5 | 11.7% | — |

## Knowledge

- Claude 2: 17.0 (#282)
- Phi-1.5: —

| Benchmark | Claude 2 | Phi-1.5 |
|---|---|---|
| MMLU | 78.5% | 37.6% |
| GPQA Diamond | 34.7% | — |
| ARC (AI2) Challenge | — | 44.4% |
| BoolQ | — | 75.8% |
| OpenBookQA | — | 37.2% |
| TriviaQA | 87.5% | — |

## FAQ

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

Claude 2 has enough public results to be ranked (#342); Phi-1.5 does not yet, so treat this comparison as directional.

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

2 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and Phi-1.5 has 7.