# Grok 4.1 vs Phi 3 Mini 4k Instruct

> Grok 4.1 is the stronger model overall, scoring 41.5 to 27.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-1-vs-phi-3-mini-4k-instruct
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Grok 4.1 scores higher in 8 categories and Phi 3 Mini 4k Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 leads 62.4 to 27.6.
- Phi 3 Mini 4k Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.1 | Phi 3 Mini 4k Instruct |
|---|---|---|
| Provider | xAI | Microsoft |
| Noometry Index | 41.5 | 27.9 |
| Rank | 134 | 328 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Grok 4.1: 33.7 (#253)
- Phi 3 Mini 4k Instruct: 26.6 (#323)

| Benchmark | Grok 4.1 | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Coding | 1445 | 1093 |
| LMArena WebDev | 1214 | — |
| LiveBench Coding | — | 15.5% |
| HumanEval+ | — | 59.1% |
| MBPP+ | — | 54.2% |

## Agentic & Tool Use

- Grok 4.1: 34.1 (#49)
- Phi 3 Mini 4k Instruct: —

| Benchmark | Grok 4.1 | Phi 3 Mini 4k Instruct |
|---|---|---|
| Cybench | 39% | — |

## Reasoning

- Grok 4.1: 29.5 (#91)
- Phi 3 Mini 4k Instruct: 14.1 (#328)

| Benchmark | Grok 4.1 | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Hard Prompts | 1435 | 1072 |
| Chess Puzzles | — | 0% |
| LiveBench Reasoning | — | 26.8% |
| LiveBench Data Analysis | — | 34.7% |
| Adversarial NLI | — | 52.8% |
| BIG-Bench Hard | — | 71.7% |
| HellaSwag | — | 76.7% |
| LiveBench | — | 22.4% |
| WinoGrande | — | 70.8% |

## Math

- Grok 4.1: 38.9 (#120)
- Phi 3 Mini 4k Instruct: 26.6 (#257)

| Benchmark | Grok 4.1 | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Math | 1422 | 1111 |
| LiveBench Math | — | 15.7% |

## Knowledge

- Grok 4.1: 39.5 (#133)
- Phi 3 Mini 4k Instruct: 28.5 (#246)

| Benchmark | Grok 4.1 | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Expert | 1417 | 1045 |
| ARC (AI2) Challenge | — | 84.9% |
| MMLU | — | 68.8% |
| OpenBookQA | — | 88% |
| TriviaQA | — | 64% |

## Multilingual

- Grok 4.1: 53.4 (#68)
- Phi 3 Mini 4k Instruct: 26.3 (#280)

| Benchmark | Grok 4.1 | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Non-English | 1425 | 1021 |
| LMArena Chinese | 1465 | 1021 |
| LMArena French | 1448 | 1076 |
| LMArena German | 1446 | 1044 |
| LMArena Japanese | 1397 | 935 |
| LMArena Korean | 1407 | 905 |
| LMArena Russian | 1434 | 1022 |
| LMArena Spanish | 1438 | 1085 |

## Instruction Following

- Grok 4.1: 73.8 (#111)
- Phi 3 Mini 4k Instruct: 47.7 (#303)

| Benchmark | Grok 4.1 | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Instruction Following | 1400 | 1053 |
| LiveBench Instruction Following | — | 39.1% |

## Long Context

- Grok 4.1: 43.2 (#100)
- Phi 3 Mini 4k Instruct: 31.7 (#276)

| Benchmark | Grok 4.1 | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Longer Query | 1416 | 1044 |

## Writing & Preference

- Grok 4.1: 62.4 (#75)
- Phi 3 Mini 4k Instruct: 27.6 (#300)

| Benchmark | Grok 4.1 | Phi 3 Mini 4k Instruct |
|---|---|---|
| LMArena Text | 1437 | 1073 |
| LMArena Creative Writing | 1411 | 1037 |
| LMArena Multi-Turn | 1437 | 1018 |
| LiveBench Language | — | 9.2% |

## FAQ

### Is Grok 4.1 better than Phi 3 Mini 4k Instruct?

Grok 4.1 is the stronger model overall, scoring 41.5 to 27.9 on the Noometry Index.

### Is Grok 4.1 or Phi 3 Mini 4k Instruct better for coding?

Grok 4.1 scores higher on coding benchmarks: 33.7 versus 26.6 in the Noometry coding category.

### How many benchmarks do Grok 4.1 and Phi 3 Mini 4k Instruct share?

17 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and Phi 3 Mini 4k Instruct has 35.