# Llama 3.1 Nemotron 51b Instruct vs Phi-2

> Llama 3.1 Nemotron 51b Instruct has enough public results to be ranked (#219); Phi-2 does not yet, so treat this comparison as directional.

- Canonical page: https://noometry.com/compare/llama-3-1-nemotron-51b-instruct-vs-phi-2
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Snapshot

| | Llama 3.1 Nemotron 51b Instruct | Phi-2 |
|---|---|---|
| Provider | NVIDIA | Microsoft |
| Noometry Index | 35.2 | — |
| Rank | 219 | — |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- Llama 3.1 Nemotron 51b Instruct: 35.0 (#219)
- Phi-2: —

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Phi-2 |
|---|---|---|
| LMArena Coding | 1223 | — |
| HumanEval+ | — | 45.1% |
| MBPP+ | — | 54.2% |

## Reasoning

- Llama 3.1 Nemotron 51b Instruct: 22.5 (#177)
- Phi-2: —

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Phi-2 |
|---|---|---|
| LMArena Hard Prompts | 1204 | — |
| Adversarial NLI | — | 42.5% |
| BIG-Bench Hard | — | 59.4% |
| Epoch Capabilities Index | — | 107.62 |
| HellaSwag | — | 53.6% |
| WinoGrande | — | 54.7% |

## Math

- Llama 3.1 Nemotron 51b Instruct: 32.0 (#189)
- Phi-2: —

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Phi-2 |
|---|---|---|
| LMArena Math | 1230 | — |

## Knowledge

- Llama 3.1 Nemotron 51b Instruct: 31.3 (#213)
- Phi-2: —

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Phi-2 |
|---|---|---|
| LMArena Expert | 1167 | — |
| ARC (AI2) Challenge | — | 75.9% |
| MMLU | — | 58.4% |
| OpenBookQA | — | 73.6% |
| TriviaQA | — | 45.2% |

## Multilingual

- Llama 3.1 Nemotron 51b Instruct: 36.3 (#236)
- Phi-2: —

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Phi-2 |
|---|---|---|
| LMArena Non-English | 1181 | — |
| LMArena Chinese | 1179 | — |
| LMArena Russian | 1186 | — |

## Instruction Following

- Llama 3.1 Nemotron 51b Instruct: 63.2 (#228)
- Phi-2: —

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Phi-2 |
|---|---|---|
| LMArena Instruction Following | 1201 | — |

## Long Context

- Llama 3.1 Nemotron 51b Instruct: 36.5 (#225)
- Phi-2: —

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Phi-2 |
|---|---|---|
| LMArena Longer Query | 1205 | — |

## Writing & Preference

- Llama 3.1 Nemotron 51b Instruct: 43.5 (#224)
- Phi-2: —

| Benchmark | Llama 3.1 Nemotron 51b Instruct | Phi-2 |
|---|---|---|
| LMArena Text | 1228 | — |
| LMArena Creative Writing | 1213 | — |
| LMArena Multi-Turn | 1227 | — |

## FAQ

### Is Llama 3.1 Nemotron 51b Instruct better than Phi-2?

Llama 3.1 Nemotron 51b Instruct has enough public results to be ranked (#219); Phi-2 does not yet, so treat this comparison as directional.

### How many benchmarks do Llama 3.1 Nemotron 51b Instruct and Phi-2 share?

0 benchmarks have published results for both models. Llama 3.1 Nemotron 51b Instruct has 12 scored results on Noometry and Phi-2 has 11.