# Claude 3 Sonnet vs Phi 3 Mini 4k Instruct

> Claude 3 Sonnet is the stronger model overall, scoring 29.0 to 27.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-phi-3-mini-4k-instruct
- Last updated: 2026-10-11
- Shared benchmarks: 21

## Summary

- They share 21 benchmarks with published results for both. Claude 3 Sonnet scores higher in 6 categories and Phi 3 Mini 4k Instruct in 2 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Phi 3 Mini 4k Instruct leads 26.6 to 10.7.
- Phi 3 Mini 4k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Sonnet | Phi 3 Mini 4k Instruct |
|---|---|---|
| Provider | Anthropic | Microsoft |
| Noometry Index | 29.0 | 27.9 |
| Rank | 319 | 328 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Sonnet: 29.6 (#302)
- Phi 3 Mini 4k Instruct: 26.6 (#323)

| Benchmark | Claude 3 Sonnet | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Coding | 1223 | 1093 |
| HumanEval+ | 64% | 59.1% |
| MBPP+ | 69.3% | 54.2% |
| WeirdML | 10.2% | — |
| BigCodeBench Instruct | 42.7% | — |
| LiveBench Coding | — | 15.5% |
| BigCodeBench Complete | 53.8% | — |

## Reasoning

- Claude 3 Sonnet: 20.5 (#237)
- Phi 3 Mini 4k Instruct: 14.1 (#328)

| Benchmark | Claude 3 Sonnet | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1072 |
| WinoGrande | 75.1% | 70.8% |
| Chess Puzzles | — | 0% |
| LiveBench Reasoning | — | 26.8% |
| DTBench | 53.6% | — |
| LiveBench Data Analysis | — | 34.7% |
| Adversarial NLI | — | 52.8% |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | 120.7 | — |
| HellaSwag | — | 76.7% |
| LiveBench | — | 22.4% |

## Math

- Claude 3 Sonnet: 10.7 (#310)
- Phi 3 Mini 4k Instruct: 26.6 (#257)

| Benchmark | Claude 3 Sonnet | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Math | 1213 | 1111 |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| LiveBench Math | — | 15.7% |
| MATH Level 5 | 18.2% | — |

## Knowledge

- Claude 3 Sonnet: 21.1 (#276)
- Phi 3 Mini 4k Instruct: 28.5 (#246)

| Benchmark | Claude 3 Sonnet | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Expert | 1173 | 1045 |
| MMLU | 75.9% | 68.8% |
| GPQA Diamond | 40.6% | — |
| ARC (AI2) Challenge | — | 84.9% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 64% |

## Multimodal

- Claude 3 Sonnet: 25.2 (#125)
- Phi 3 Mini 4k Instruct: —

| Benchmark | Claude 3 Sonnet | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Vision | 984 | — |

## Multilingual

- Claude 3 Sonnet: 37.8 (#234)
- Phi 3 Mini 4k Instruct: 26.3 (#280)

| Benchmark | Claude 3 Sonnet | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Non-English | 1205 | 1021 |
| LMArena Chinese | 1189 | 1021 |
| LMArena French | 1229 | 1076 |
| LMArena German | 1204 | 1044 |
| LMArena Japanese | 1131 | 935 |
| LMArena Korean | 1128 | 905 |
| LMArena Russian | 1227 | 1022 |
| LMArena Spanish | 1204 | 1085 |

## Instruction Following

- Claude 3 Sonnet: 62.8 (#235)
- Phi 3 Mini 4k Instruct: 47.7 (#303)

| Benchmark | Claude 3 Sonnet | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Instruction Following | 1199 | 1053 |
| LiveBench Instruction Following | — | 39.1% |

## Long Context

- Claude 3 Sonnet: 36.7 (#228)
- Phi 3 Mini 4k Instruct: 31.7 (#276)

| Benchmark | Claude 3 Sonnet | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Longer Query | 1211 | 1044 |

## Writing & Preference

- Claude 3 Sonnet: 42.1 (#238)
- Phi 3 Mini 4k Instruct: 27.6 (#300)

| Benchmark | Claude 3 Sonnet | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Text | 1218 | 1073 |
| LMArena Creative Writing | 1186 | 1037 |
| LMArena Multi-Turn | 1227 | 1018 |
| LiveBench Language | — | 9.2% |

## FAQ

### Is Claude 3 Sonnet better than Phi 3 Mini 4k Instruct?

Claude 3 Sonnet is the stronger model overall, scoring 29.0 to 27.9 on the Noometry Index.

### Is Claude 3 Sonnet or Phi 3 Mini 4k Instruct better for coding?

Claude 3 Sonnet scores higher on coding benchmarks: 29.6 versus 26.6 in the Noometry coding category.

### How many benchmarks do Claude 3 Sonnet and Phi 3 Mini 4k Instruct share?

21 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Phi 3 Mini 4k Instruct has 35.