# Llama-3.3-70B-Instruct vs Phi 3 Small 8k Instruct

> Llama-3.3-70B-Instruct is the stronger model overall, scoring 30.3 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/llama-3-3-70b-instruct-vs-phi-3-small-8k-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 25

## Summary

- They share 25 benchmarks with published results for both. Llama-3.3-70B-Instruct scores higher in 5 categories and Phi 3 Small 8k Instruct in 3 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in instruction following, where Llama-3.3-70B-Instruct leads 71.3 to 52.2.
- The biggest single-benchmark swing is LiveBench Instruction Following: 82.7% for Llama-3.3-70B-Instruct and 47.2% for Phi 3 Small 8k Instruct.

## Snapshot

| | Llama-3.3-70B-Instruct | Phi 3 Small 8k Instruct |
|---|---|---|
| Provider | Meta | Microsoft |
| Noometry Index | 30.3 | 28.8 |
| Rank | 283 | 310 |
| Context | 128K | — |
| Input $/M | $0.10 | — |
| Output $/M | $0.32 | — |
| Weights | Open | Open |

## Coding

- Llama-3.3-70B-Instruct: 30.6 (#284)
- Phi 3 Small 8k Instruct: 27.4 (#313)

| Benchmark | Llama-3.3-70B-Instruct | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Coding | 36.6% | 20.3% |
| LMArena Coding | 1268 | 1102 |
| SciCode | 26% | — |
| WeirdML | 14.4% | — |
| BigCodeBench Instruct | 46.9% | — |
| BigCodeBench Complete | 57.5% | — |

## Agentic & Tool Use

- Llama-3.3-70B-Instruct: 25.6 (#100)
- Phi 3 Small 8k Instruct: —

| Benchmark | Llama-3.3-70B-Instruct | Phi 3 Small 8k Instruct |
|---|---|---|
| Berkeley Function Calling Leaderboard | 31.9% | — |
| BALROG | 23% | — |

## Reasoning

- Llama-3.3-70B-Instruct: 13.7 (#325)
- Phi 3 Small 8k Instruct: 14.2 (#319)

| Benchmark | Llama-3.3-70B-Instruct | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Reasoning | 50.8% | 15.9% |
| LMArena Hard Prompts | 1257 | 1100 |
| LiveBench Data Analysis | 49.5% | 30.3% |
| LiveBench | 50.2% | 24% |
| SimpleBench | 19.9% | — |
| CritPt | 0% | — |
| DTBench | 59.5% | — |
| LMCA | 17.5% | — |
| Adversarial NLI | — | 58.1% |
| BIG-Bench Hard | — | 79.1% |
| Epoch Capabilities Index | 127.32 | — |
| ForecastBench | 58.6 | — |
| HellaSwag | — | 77% |
| WinoGrande | — | 81.5% |

## Math

- Llama-3.3-70B-Instruct: 14.3 (#292)
- Phi 3 Small 8k Instruct: 25.4 (#247)

| Benchmark | Llama-3.3-70B-Instruct | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Math | 42.2% | 17.6% |
| LMArena Math | 1268 | 1151 |
| OTIS Mock AIME 2024-2025 | 5.1% | — |
| MATH Level 5 | 41.6% | — |

## Knowledge

- Llama-3.3-70B-Instruct: 30.5 (#220)
- Phi 3 Small 8k Instruct: 28.5 (#237)

| Benchmark | Llama-3.3-70B-Instruct | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Expert | 1225 | 1067 |
| MMLU | 86.3% | 75.7% |
| GPQA Diamond | 47.4% | — |
| Confabulations | 22.8% | — |
| Vectara Hallucination Rate | 4.1% | — |
| ARC (AI2) Challenge | — | 90.7% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 58.1% |

## Multilingual

- Llama-3.3-70B-Instruct: 40.1 (#215)
- Phi 3 Small 8k Instruct: 28.6 (#267)

| Benchmark | Llama-3.3-70B-Instruct | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | 1236 | 1058 |
| LMArena Chinese | 1217 | 1061 |
| LMArena French | 1280 | 1134 |
| LMArena German | 1251 | 1080 |
| LMArena Japanese | 1149 | 966 |
| LMArena Korean | 1142 | 894 |
| LMArena Russian | 1252 | 1111 |
| LMArena Spanish | 1269 | 1111 |

## Instruction Following

- Llama-3.3-70B-Instruct: 71.3 (#152)
- Phi 3 Small 8k Instruct: 52.2 (#287)

| Benchmark | Llama-3.3-70B-Instruct | Phi 3 Small 8k Instruct |
|---|---|---|
| LiveBench Instruction Following | 82.7% | 47.2% |
| LMArena Instruction Following | 1242 | 1087 |

## Long Context

- Llama-3.3-70B-Instruct: 26.4 (#290)
- Phi 3 Small 8k Instruct: 33.0 (#262)

| Benchmark | Llama-3.3-70B-Instruct | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | 1256 | 1088 |
| Fiction.LiveBench | 33.3% | — |

## Writing & Preference

- Llama-3.3-70B-Instruct: 47.8 (#203)
- Phi 3 Small 8k Instruct: 31.3 (#279)

| Benchmark | Llama-3.3-70B-Instruct | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | 1274 | 1110 |
| LMArena Creative Writing | 1250 | 1083 |
| LMArena Multi-Turn | 1279 | 1068 |
| LiveBench Language | 39.2% | 12.9% |

## FAQ

### Is Llama-3.3-70B-Instruct better than Phi 3 Small 8k Instruct?

Llama-3.3-70B-Instruct is the stronger model overall, scoring 30.3 to 28.8 on the Noometry Index.

### Is Llama-3.3-70B-Instruct or Phi 3 Small 8k Instruct better for coding?

Llama-3.3-70B-Instruct scores higher on coding benchmarks: 30.6 versus 27.4 in the Noometry coding category.

### How many benchmarks do Llama-3.3-70B-Instruct and Phi 3 Small 8k Instruct share?

25 benchmarks have published results for both models. Llama-3.3-70B-Instruct has 43 scored results on Noometry and Phi 3 Small 8k Instruct has 32.