# Claude 3 Sonnet vs phi-3-medium 14B

> Claude 3 Sonnet and phi-3-medium 14B score almost the same on the Noometry Index (29.0 vs 29.7), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-phi-3-medium-14b
- Last updated: 2026-10-10
- Shared benchmarks: 7

## Summary

- They share 7 benchmarks with published results for both. Claude 3 Sonnet scores higher in 1 category and phi-3-medium 14B in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where phi-3-medium 14B leads 27.3 to 10.7.
- The biggest single-benchmark swing is GPQA Diamond: 40.6% for Claude 3 Sonnet and 27.6% for phi-3-medium 14B.
- phi-3-medium 14B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Sonnet | phi-3-medium 14B |
|---|---|---|
| Provider | Anthropic | Microsoft |
| Noometry Index | 29.0 | 29.7 |
| Rank | 319 | 306 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Sonnet: 29.6 (#302)
- phi-3-medium 14B: 36.8 (#201)

| Benchmark | Claude 3 Sonnet | phi-3-medium 14B |
|---|---|---|
| BigCodeBench Instruct | 42.7% | 37.6% |
| BigCodeBench Complete | 53.8% | 48.7% |
| WeirdML | 10.2% | — |
| LMArena Coding | 1223 | — |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |

## Reasoning

- Claude 3 Sonnet: 20.5 (#237)
- phi-3-medium 14B: —

| Benchmark | Claude 3 Sonnet | phi-3-medium 14B |
|---|---|---|
| Epoch Capabilities Index | 120.7 | 121.23 |
| WinoGrande | 75.1% | 81.5% |
| LMArena Hard Prompts | 1197 | — |
| DTBench | 53.6% | — |
| Adversarial NLI | — | 55.8% |
| BIG-Bench Hard | — | 81.4% |
| HellaSwag | — | 82.4% |

## Math

- Claude 3 Sonnet: 10.7 (#310)
- phi-3-medium 14B: 27.3 (#250)

| Benchmark | Claude 3 Sonnet | phi-3-medium 14B |
|---|---|---|
| MATH Level 5 | 18.2% | 17.6% |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| LMArena Math | 1213 | — |

## Knowledge

- Claude 3 Sonnet: 21.1 (#276)
- phi-3-medium 14B: 9.1 (#306)

| Benchmark | Claude 3 Sonnet | phi-3-medium 14B |
|---|---|---|
| GPQA Diamond | 40.6% | 27.6% |
| MMLU | 75.9% | 78% |
| LMArena Expert | 1173 | — |
| ARC (AI2) Challenge | — | 91.6% |
| OpenBookQA | — | 87.4% |
| TriviaQA | — | 73.9% |

## Multimodal

- Claude 3 Sonnet: 25.2 (#125)
- phi-3-medium 14B: —

| Benchmark | Claude 3 Sonnet | phi-3-medium 14B |
|---|---|---|
| LMArena Vision | 984 | — |

## Multilingual

- Claude 3 Sonnet: 37.8 (#234)
- phi-3-medium 14B: —

| Benchmark | Claude 3 Sonnet | phi-3-medium 14B |
|---|---|---|
| LMArena Non-English | 1205 | — |
| LMArena Chinese | 1189 | — |
| LMArena French | 1229 | — |
| LMArena German | 1204 | — |
| LMArena Japanese | 1131 | — |
| LMArena Korean | 1128 | — |
| LMArena Russian | 1227 | — |
| LMArena Spanish | 1204 | — |

## Instruction Following

- Claude 3 Sonnet: 62.8 (#235)
- phi-3-medium 14B: —

| Benchmark | Claude 3 Sonnet | phi-3-medium 14B |
|---|---|---|
| LMArena Instruction Following | 1199 | — |

## Long Context

- Claude 3 Sonnet: 36.7 (#228)
- phi-3-medium 14B: —

| Benchmark | Claude 3 Sonnet | phi-3-medium 14B |
|---|---|---|
| LMArena Longer Query | 1211 | — |

## Writing & Preference

- Claude 3 Sonnet: 42.1 (#238)
- phi-3-medium 14B: —

| Benchmark | Claude 3 Sonnet | phi-3-medium 14B |
|---|---|---|
| LMArena Text | 1218 | — |
| LMArena Creative Writing | 1186 | — |
| LMArena Multi-Turn | 1227 | — |

## FAQ

### Is Claude 3 Sonnet better than phi-3-medium 14B?

Claude 3 Sonnet and phi-3-medium 14B score almost the same on the Noometry Index (29.0 vs 29.7), so choose on price, context window or the category you care about most.

### Is Claude 3 Sonnet or phi-3-medium 14B better for coding?

phi-3-medium 14B scores higher on coding benchmarks: 36.8 versus 29.6 in the Noometry coding category.

### How many benchmarks do Claude 3 Sonnet and phi-3-medium 14B share?

7 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and phi-3-medium 14B has 13.