# Gemma 4 31B IT vs Grok 2 Mini 2024 08 13

> Gemma 4 31B IT is the stronger model overall, scoring 43.5 to 37.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-4-31b-it-vs-grok-2-mini
- Last updated: 2026-10-10
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. Gemma 4 31B IT scores higher in 8 categories and Grok 2 Mini 2024 08 13 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 47.3.
- Gemma 4 31B IT has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 4 31B IT | Grok 2 Mini 2024 08 13 |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 43.5 | 37.7 |
| Rank | 90 | 198 |
| Context | 262K | — |
| Input $/M | $0.09 | — |
| Output $/M | $0.34 | — |
| Weights | Open | Proprietary |

## Coding

- Gemma 4 31B IT: 42.3 (#108)
- Grok 2 Mini 2024 08 13: 37.0 (#199)

| Benchmark | Gemma 4 31B IT | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Coding | 1459 | 1269 |
| LMArena WebDev | 1366 | — |
| SciCode | 43.4% | — |
| WeirdML | 52.3% | — |
| ALE-Bench | 925.5 | — |

## Reasoning

- Gemma 4 31B IT: 27.2 (#122)
- Grok 2 Mini 2024 08 13: 24.8 (#159)

| Benchmark | Gemma 4 31B IT | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Hard Prompts | 1448 | 1255 |
| Kagi LLM Benchmark | 63.5% | — |
| NYT Connections (extended) | 70.6% | — |
| CritPt | 1.4% | — |
| Chess Puzzles | 5% | — |
| Thematic Generalization | 53% | — |
| DTBench | 82.7% | — |
| LMCA | 39.3% | — |
| Surface Evolver Bench | 30.6% | — |
| Epoch Capabilities Index | 142.74 | — |

## Math

- Gemma 4 31B IT: 43.2 (#81)
- Grok 2 Mini 2024 08 13: 35.4 (#185)

| Benchmark | Gemma 4 31B IT | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Math | 1465 | 1265 |
| OTIS Mock AIME 2024-2025 | 73.3% | — |

## Knowledge

- Gemma 4 31B IT: 37.9 (#151)
- Grok 2 Mini 2024 08 13: 33.9 (#200)

| Benchmark | Gemma 4 31B IT | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Expert | 1465 | 1238 |
| GPQA Diamond | 75.8% | — |
| SimpleQA Verified | 10.4% | — |
| Vectara Hallucination Rate | 7.4% | — |

## Multimodal

- Gemma 4 31B IT: 41.6 (#34)
- Grok 2 Mini 2024 08 13: —

| Benchmark | Gemma 4 31B IT | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Vision | 1277 | — |
| LMArena Document | 1425 | — |

## Multilingual

- Gemma 4 31B IT: 53.8 (#57)
- Grok 2 Mini 2024 08 13: 41.4 (#208)

| Benchmark | Gemma 4 31B IT | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Non-English | 1431 | 1257 |
| LMArena Chinese | 1476 | 1262 |
| LMArena French | 1435 | 1286 |
| LMArena Russian | 1460 | 1261 |
| LMArena Spanish | 1444 | 1279 |
| LMArena German | — | 1273 |
| LMArena Japanese | — | 1213 |
| LMArena Korean | — | 1195 |

## Instruction Following

- Gemma 4 31B IT: 75.5 (#61)
- Grok 2 Mini 2024 08 13: 65.5 (#220)

| Benchmark | Gemma 4 31B IT | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Instruction Following | 1433 | 1245 |

## Long Context

- Gemma 4 31B IT: 44.2 (#71)
- Grok 2 Mini 2024 08 13: 38.4 (#196)

| Benchmark | Gemma 4 31B IT | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Longer Query | 1446 | 1266 |

## Writing & Preference

- Gemma 4 31B IT: 60.5 (#96)
- Grok 2 Mini 2024 08 13: 47.3 (#211)

| Benchmark | Gemma 4 31B IT | Grok 2 Mini 2024 08 13 |
|---|---|---|
| LMArena Text | 1443 | 1281 |
| LMArena Creative Writing | 1415 | 1242 |
| LMArena Multi-Turn | 1452 | 1265 |
| EQ-Bench Creative Writing | 1368 | — |
| EQ-Bench 4 | 1120 | — |

## FAQ

### Is Gemma 4 31B IT better than Grok 2 Mini 2024 08 13?

Gemma 4 31B IT is the stronger model overall, scoring 43.5 to 37.7 on the Noometry Index.

### Is Gemma 4 31B IT or Grok 2 Mini 2024 08 13 better for coding?

Gemma 4 31B IT scores higher on coding benchmarks: 42.3 versus 37.0 in the Noometry coding category.

### How many benchmarks do Gemma 4 31B IT and Grok 2 Mini 2024 08 13 share?

14 benchmarks have published results for both models. Gemma 4 31B IT has 35 scored results on Noometry and Grok 2 Mini 2024 08 13 has 17.