# Claude 2 vs Phi-2

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

- Canonical page: https://noometry.com/compare/claude-2-vs-phi-2
- Last updated: 2026-10-10
- Shared benchmarks: 4

## Summary

- They share 4 benchmarks with published results for both.
- Phi-2 has downloadable open weights; the other is API-only.

## Snapshot

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

## Coding

- Claude 2: —
- Phi-2: —

| Benchmark | Claude 2 | Phi-2 |
|---|---|---|
| HumanEval+ | 61.6% | 45.1% |
| MBPP+ | — | 54.2% |

## Reasoning

- Claude 2: 20.8 (#213)
- Phi-2: —

| Benchmark | Claude 2 | Phi-2 |
|---|---|---|
| Epoch Capabilities Index | 120.08 | 107.62 |
| DTBench | 51.9% | — |
| Adversarial NLI | — | 42.5% |
| BIG-Bench Hard | — | 59.4% |
| HellaSwag | — | 53.6% |
| WinoGrande | — | 54.7% |

## Math

- Claude 2: 8.7 (#314)
- Phi-2: —

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

## Knowledge

- Claude 2: 17.0 (#282)
- Phi-2: —

| Benchmark | Claude 2 | Phi-2 |
|---|---|---|
| MMLU | 78.5% | 58.4% |
| TriviaQA | 87.5% | 45.2% |
| GPQA Diamond | 34.7% | — |
| ARC (AI2) Challenge | — | 75.9% |
| OpenBookQA | — | 73.6% |

## FAQ

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

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

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

4 benchmarks have published results for both models. Claude 2 has 8 scored results on Noometry and Phi-2 has 11.