# Gemma 3n E4b IT vs Grok 4 Fast

> Grok 4 Fast is the stronger model overall, scoring 39.0 to 36.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-3n-e4b-it-vs-grok-4-fast
- Last updated: 2026-10-10
- Shared benchmarks: 18

## Summary

- They share 18 benchmarks with published results for both. Gemma 3n E4b IT scores higher in 2 categories and Grok 4 Fast in 6 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in long context, where Grok 4 Fast leads 63.2 to 38.8.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 31.5% for Gemma 3n E4b IT and 66.1% for Grok 4 Fast.
- Gemma 3n E4b IT has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 3n E4b IT | Grok 4 Fast |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 36.7 | 39.0 |
| Rank | 203 | 164 |
| Context | 33K | — |
| Input $/M | $0.06 | — |
| Output $/M | $0.12 | — |
| Weights | Open | Proprietary |

## Coding

- Gemma 3n E4b IT: 36.4 (#193)
- Grok 4 Fast: 32.3 (#264)

| Benchmark | Gemma 3n E4b IT | Grok 4 Fast |
|---|---|---|
| LMArena Coding | 1269 | 1429 |
| LMArena WebDev | — | 1160 |
| WeirdML | — | 42.9% |

## Agentic & Tool Use

- Gemma 3n E4b IT: —
- Grok 4 Fast: 29.3 (#80)

| Benchmark | Gemma 3n E4b IT | Grok 4 Fast |
|---|---|---|
| τ²-bench Banking | — | 15.7% |
| Cybench | — | 30% |
| LMArena Search | — | 1171 |

## Reasoning

- Gemma 3n E4b IT: 19.2 (#239)
- Grok 4 Fast: 22.5 (#179)

| Benchmark | Gemma 3n E4b IT | Grok 4 Fast |
|---|---|---|
| Kagi LLM Benchmark | 31.5% | 66.1% |
| LMArena Hard Prompts | 1284 | 1413 |
| ARC-AGI-2 | — | 5.3% |
| ARC-AGI-1 | — | 48.5% |
| DTBench | — | 82.7% |
| Epoch Capabilities Index | — | 144.21 |
| ForecastBench | — | 60.5 |

## Math

- Gemma 3n E4b IT: 32.5 (#186)
- Grok 4 Fast: 36.1 (#126)

| Benchmark | Gemma 3n E4b IT | Grok 4 Fast |
|---|---|---|
| LMArena Math | 1251 | 1419 |

## Knowledge

- Gemma 3n E4b IT: 33.6 (#193)
- Grok 4 Fast: 31.5 (#211)

| Benchmark | Gemma 3n E4b IT | Grok 4 Fast |
|---|---|---|
| LMArena Expert | 1245 | 1411 |
| Vectara Hallucination Rate | — | 19.7% |

## Multilingual

- Gemma 3n E4b IT: 43.5 (#179)
- Grok 4 Fast: 51.5 (#106)

| Benchmark | Gemma 3n E4b IT | Grok 4 Fast |
|---|---|---|
| LMArena Non-English | 1285 | 1397 |
| LMArena Chinese | 1310 | 1458 |
| LMArena French | 1330 | 1433 |
| LMArena German | 1312 | 1383 |
| LMArena Japanese | 1274 | 1358 |
| LMArena Korean | 1259 | 1359 |
| LMArena Russian | 1288 | 1387 |
| LMArena Spanish | 1305 | 1414 |

## Instruction Following

- Gemma 3n E4b IT: 66.3 (#205)
- Grok 4 Fast: 73.4 (#116)

| Benchmark | Gemma 3n E4b IT | Grok 4 Fast |
|---|---|---|
| LMArena Instruction Following | 1255 | 1388 |

## Long Context

- Gemma 3n E4b IT: 38.8 (#185)
- Grok 4 Fast: 63.2 (#3)

| Benchmark | Gemma 3n E4b IT | Grok 4 Fast |
|---|---|---|
| LMArena Longer Query | 1277 | 1415 |
| Fiction.LiveBench | — | 94.4% |

## Writing & Preference

- Gemma 3n E4b IT: 50.3 (#181)
- Grok 4 Fast: 60.2 (#96)

| Benchmark | Gemma 3n E4b IT | Grok 4 Fast |
|---|---|---|
| LMArena Text | 1306 | 1407 |
| LMArena Creative Writing | 1287 | 1388 |
| LMArena Multi-Turn | 1276 | 1414 |

## FAQ

### Is Gemma 3n E4b IT better than Grok 4 Fast?

Grok 4 Fast is the stronger model overall, scoring 39.0 to 36.7 on the Noometry Index.

### Is Gemma 3n E4b IT or Grok 4 Fast better for coding?

Gemma 3n E4b IT scores higher on coding benchmarks: 36.4 versus 32.3 in the Noometry coding category.

### How many benchmarks do Gemma 3n E4b IT and Grok 4 Fast share?

18 benchmarks have published results for both models. Gemma 3n E4b IT has 18 scored results on Noometry and Grok 4 Fast has 30.