# Llama 3-70B vs phi-3-medium 14B

> Llama 3-70B and phi-3-medium 14B score almost the same on the Noometry Index (28.5 vs 29.1), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/llama-3-70b-vs-phi-3-medium-14b
- Last updated: 2026-10-10
- Shared benchmarks: 7

## Summary

- They share 7 benchmarks with published results for both. Llama 3-70B scores higher in 1 category and phi-3-medium 14B in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in math, where phi-3-medium 14B leads 25.2 to 12.0.
- The biggest single-benchmark swing is GPQA Diamond: 40.6% for Llama 3-70B and 27.6% for phi-3-medium 14B.

## Snapshot

| | Llama 3-70B | phi-3-medium 14B |
|---|---|---|
| Provider | Meta | Microsoft |
| Noometry Index | 28.5 | 29.1 |
| Rank | 317 | 306 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Llama 3-70B: 35.3 (#215)
- phi-3-medium 14B: 36.3 (#198)

| Benchmark | Llama 3-70B | phi-3-medium 14B |
|---|---|---|
| BigCodeBench Instruct | 43.6% | 37.6% |
| BigCodeBench Complete | 54.5% | 48.7% |
| LMArena Coding | 1206 | — |
| HumanEval+ | 72% | — |
| MBPP+ | 69% | — |

## Agentic & Tool Use

- Llama 3-70B: 20.9 (#132)
- phi-3-medium 14B: —

| Benchmark | Llama 3-70B | phi-3-medium 14B |
|---|---|---|
| Cybench | 5% | — |

## Reasoning

- Llama 3-70B: 17.4 (#284)
- phi-3-medium 14B: —

| Benchmark | Llama 3-70B | phi-3-medium 14B |
|---|---|---|
| Epoch Capabilities Index | 122.91 | 121.18 |
| WinoGrande | 83.5% | 81.5% |
| Kagi LLM Benchmark | 35.1% | — |
| LMArena Hard Prompts | 1195 | — |
| DTBench | 54.2% | — |
| Adversarial NLI | — | 55.8% |
| BIG-Bench Hard | — | 81.4% |
| ForecastBench | 57.1 | — |
| HellaSwag | — | 82.4% |

## Math

- Llama 3-70B: 12.0 (#299)
- phi-3-medium 14B: 25.2 (#249)

| Benchmark | Llama 3-70B | phi-3-medium 14B |
|---|---|---|
| MATH Level 5 | 22.6% | 17.6% |
| OTIS Mock AIME 2024-2025 | 4.3% | — |
| LMArena Math | 1218 | — |

## Knowledge

- Llama 3-70B: 20.8 (#272)
- phi-3-medium 14B: 9.1 (#301)

| Benchmark | Llama 3-70B | phi-3-medium 14B |
|---|---|---|
| GPQA Diamond | 40.6% | 27.6% |
| MMLU | 79.3% | 78% |
| LMArena Expert | 1149 | — |
| ARC (AI2) Challenge | — | 91.6% |
| OpenBookQA | — | 87.4% |
| TriviaQA | — | 73.9% |

## Multilingual

- Llama 3-70B: 33.8 (#246)
- phi-3-medium 14B: —

| Benchmark | Llama 3-70B | phi-3-medium 14B |
|---|---|---|
| LMArena Non-English | 1142 | — |
| LMArena Chinese | 1114 | — |
| LMArena French | 1231 | — |
| LMArena German | 1169 | — |
| LMArena Japanese | 1017 | — |
| LMArena Korean | 1017 | — |
| LMArena Russian | 1159 | — |
| LMArena Spanish | 1241 | — |

## Instruction Following

- Llama 3-70B: 62.8 (#233)
- phi-3-medium 14B: —

| Benchmark | Llama 3-70B | phi-3-medium 14B |
|---|---|---|
| LMArena Instruction Following | 1194 | — |

## Long Context

- Llama 3-70B: 35.6 (#235)
- phi-3-medium 14B: —

| Benchmark | Llama 3-70B | phi-3-medium 14B |
|---|---|---|
| LMArena Longer Query | 1174 | — |

## Writing & Preference

- Llama 3-70B: 43.0 (#225)
- phi-3-medium 14B: —

| Benchmark | Llama 3-70B | phi-3-medium 14B |
|---|---|---|
| LMArena Text | 1221 | — |
| LMArena Creative Writing | 1210 | — |
| LMArena Multi-Turn | 1223 | — |

## FAQ

### Is Llama 3-70B better than phi-3-medium 14B?

Llama 3-70B and phi-3-medium 14B score almost the same on the Noometry Index (28.5 vs 29.1), so choose on price, context window or the category you care about most.

### Is Llama 3-70B or phi-3-medium 14B better for coding?

They score almost the same on coding (35.3 vs 36.3); test both on your own repository before choosing.

### How many benchmarks do Llama 3-70B and phi-3-medium 14B share?

7 benchmarks have published results for both models. Llama 3-70B has 31 scored results on Noometry and phi-3-medium 14B has 13.