# Gemma 4 31B IT vs Phi 3 Small 8k Instruct

> Gemma 4 31B IT is the stronger model overall, scoring 43.5 to 29.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-4-31b-it-vs-phi-3-small-8k-instruct
- Last updated: 2026-10-11
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. Gemma 4 31B IT scores higher in 8 categories and Phi 3 Small 8k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Gemma 4 31B IT leads 60.5 to 31.1.

## Snapshot

| | Gemma 4 31B IT | Phi 3 Small 8k Instruct |
|---|---|---|
| Provider | Google | Microsoft |
| Noometry Index | 43.5 | 29.3 |
| Rank | 90 | 314 |
| Context | 262K | — |
| Input $/M | $0.09 | — |
| Output $/M | $0.34 | — |
| Weights | Open | Open |

## Coding

- Gemma 4 31B IT: 42.3 (#108)
- Phi 3 Small 8k Instruct: 27.9 (#318)

| Benchmark | Gemma 4 31B IT | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Coding | 1459 | 1101 |
| LMArena WebDev | 1366 | — |
| SciCode | 43.4% | — |
| WeirdML | 52.3% | — |
| LiveBench Coding | — | 20.3% |
| ALE-Bench | 925.5 | — |

## Reasoning

- Gemma 4 31B IT: 27.2 (#122)
- Phi 3 Small 8k Instruct: 14.8 (#323)

| Benchmark | Gemma 4 31B IT | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1448 | 1100 |
| Kagi LLM Benchmark | 63.5% | — |
| NYT Connections (extended) | 70.6% | — |
| CritPt | 1.4% | — |
| Chess Puzzles | 5% | — |
| Thematic Generalization | 53% | — |
| LiveBench Reasoning | — | 15.9% |
| DTBench | 82.7% | — |
| LiveBench Data Analysis | — | 30.3% |
| LMCA | 39.3% | — |
| Surface Evolver Bench | 30.6% | — |
| Adversarial NLI | — | 58.1% |
| BIG-Bench Hard | — | 79.1% |
| Epoch Capabilities Index | 142.74 | — |
| HellaSwag | — | 77% |
| LiveBench | — | 24% |
| WinoGrande | — | 81.5% |

## Math

- Gemma 4 31B IT: 43.2 (#81)
- Phi 3 Small 8k Instruct: 27.6 (#248)

| Benchmark | Gemma 4 31B IT | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Math | 1465 | 1151 |
| OTIS Mock AIME 2024-2025 | 73.3% | — |
| LiveBench Math | — | 17.6% |

## Knowledge

- Gemma 4 31B IT: 37.9 (#151)
- Phi 3 Small 8k Instruct: 29.1 (#240)

| Benchmark | Gemma 4 31B IT | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Expert | 1465 | 1067 |
| GPQA Diamond | 75.8% | — |
| SimpleQA Verified | 10.4% | — |
| Vectara Hallucination Rate | 7.4% | — |
| ARC (AI2) Challenge | — | 90.7% |
| MMLU | — | 75.7% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 58.1% |

## Multimodal

- Gemma 4 31B IT: 41.6 (#34)
- Phi 3 Small 8k Instruct: —

| Benchmark | Gemma 4 31B IT | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Vision | 1277 | — |
| LMArena Document | 1425 | — |

## Multilingual

- Gemma 4 31B IT: 53.8 (#57)
- Phi 3 Small 8k Instruct: 28.5 (#272)

| Benchmark | Gemma 4 31B IT | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Non-English | 1431 | 1058 |
| LMArena Chinese | 1476 | 1061 |
| LMArena French | 1435 | 1135 |
| LMArena Russian | 1460 | 1111 |
| LMArena Spanish | 1444 | 1111 |
| LMArena German | — | 1080 |
| LMArena Japanese | — | 966 |
| LMArena Korean | — | 894 |

## Instruction Following

- Gemma 4 31B IT: 75.5 (#61)
- Phi 3 Small 8k Instruct: 51.9 (#292)

| Benchmark | Gemma 4 31B IT | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Instruction Following | 1433 | 1087 |
| LiveBench Instruction Following | — | 47.2% |

## Long Context

- Gemma 4 31B IT: 44.2 (#71)
- Phi 3 Small 8k Instruct: 33.0 (#267)

| Benchmark | Gemma 4 31B IT | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Longer Query | 1446 | 1088 |

## Writing & Preference

- Gemma 4 31B IT: 60.5 (#96)
- Phi 3 Small 8k Instruct: 31.1 (#284)

| Benchmark | Gemma 4 31B IT | Phi 3 Small 8k Instruct |
|---|---|---|
| LMArena Text | 1443 | 1110 |
| LMArena Creative Writing | 1415 | 1083 |
| LMArena Multi-Turn | 1452 | 1068 |
| EQ-Bench Creative Writing | 1368 | — |
| EQ-Bench 4 | 1120 | — |
| LiveBench Language | — | 12.9% |

## FAQ

### Is Gemma 4 31B IT better than Phi 3 Small 8k Instruct?

Gemma 4 31B IT is the stronger model overall, scoring 43.5 to 29.3 on the Noometry Index.

### Is Gemma 4 31B IT or Phi 3 Small 8k Instruct better for coding?

Gemma 4 31B IT scores higher on coding benchmarks: 42.3 versus 27.9 in the Noometry coding category.

### How many benchmarks do Gemma 4 31B IT and Phi 3 Small 8k Instruct share?

14 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and Phi 3 Small 8k Instruct has 32.