# Gemma 2B vs Grok 4.1 Fast

> Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 29.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-2b-vs-grok-4-1-fast
- Last updated: 2026-10-10
- Shared benchmarks: 11

## Summary

- They share 11 benchmarks with published results for both. Gemma 2B scores higher in 0 categories and Grok 4.1 Fast in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 Fast leads 57.2 to 24.0.
- Gemma 2B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 2B | Grok 4.1 Fast |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 29.6 | 41.4 |
| Rank | 307 | 136 |
| Context | — | 128K |
| Input $/M | — | $0.20 |
| Output $/M | — | $0.50 |
| Weights | Open | Proprietary |

## Coding

- Gemma 2B: 29.4 (#305)
- Grok 4.1 Fast: 34.1 (#245)

| Benchmark | Gemma 2B | Grok 4.1 Fast |
|---|---|---|
| LMArena Coding | 1010 | 1411 |
| LMArena WebDev | — | 1242 |
| ALE-Bench | — | 394.93 |
| HumanEval+ | 20.7% | — |
| MBPP+ | 34.1% | — |

## Agentic & Tool Use

- Gemma 2B: —
- Grok 4.1 Fast: 36.3 (#39)

| Benchmark | Gemma 2B | Grok 4.1 Fast |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 69.6% |
| τ²-bench Banking | — | 13.1% |
| LMArena Search | — | 1171 |
| Vending-Bench 2 | — | 1,107 |

## Reasoning

- Gemma 2B: 18.8 (#275)
- Grok 4.1 Fast: 43.4 (#49)

| Benchmark | Gemma 2B | Grok 4.1 Fast |
|---|---|---|
| LMArena Hard Prompts | 989 | 1407 |
| SimpleBench | — | 56% |
| NYT Connections (extended) | — | 87.4% |
| DTBench | — | 87.7% |
| BIG-Bench Hard | 35.2% | — |
| Epoch Capabilities Index | 94.2 | — |
| ForecastBench | — | 61 |
| HellaSwag | 71.4% | — |
| PIQA | 77.3% | — |
| WinoGrande | 65.4% | — |

## Math

- Gemma 2B: 30.0 (#239)
- Grok 4.1 Fast: 31.9 (#221)

| Benchmark | Gemma 2B | Grok 4.1 Fast |
|---|---|---|
| LMArena Math | 1009 | 1408 |
| MathArena Final-Answer Competitions | — | 60.9% |
| ProofBench | — | 4% |
| GSM8K | 17.7% | — |

## Knowledge

- Gemma 2B: —
- Grok 4.1 Fast: 33.1 (#207)

| Benchmark | Gemma 2B | Grok 4.1 Fast |
|---|---|---|
| Vectara Hallucination Rate | — | 17.8% |
| LMArena Expert | — | 1399 |
| ARC (AI2) Challenge | 42.1% | — |
| BoolQ | 69.4% | — |
| MMLU | 42.3% | — |
| TriviaQA | 53.2% | — |

## Multimodal

- Gemma 2B: —
- Grok 4.1 Fast: 37.0 (#76)

| Benchmark | Gemma 2B | Grok 4.1 Fast |
|---|---|---|
| LMArena Vision | — | 1201 |

## Multilingual

- Gemma 2B: 23.0 (#294)
- Grok 4.1 Fast: 51.0 (#114)

| Benchmark | Gemma 2B | Grok 4.1 Fast |
|---|---|---|
| LMArena Non-English | 958 | 1391 |
| LMArena Chinese | 986 | 1441 |
| LMArena Russian | 937 | 1387 |
| LMArena French | — | 1415 |
| LMArena German | — | 1404 |
| LMArena Japanese | — | 1349 |
| LMArena Korean | — | 1361 |
| LMArena Spanish | — | 1413 |

## Instruction Following

- Gemma 2B: 48.5 (#302)
- Grok 4.1 Fast: 72.7 (#133)

| Benchmark | Gemma 2B | Grok 4.1 Fast |
|---|---|---|
| LMArena Instruction Following | 970 | 1376 |

## Long Context

- Gemma 2B: 29.9 (#291)
- Grok 4.1 Fast: 42.4 (#126)

| Benchmark | Gemma 2B | Grok 4.1 Fast |
|---|---|---|
| LMArena Longer Query | 981 | 1390 |

## Writing & Preference

- Gemma 2B: 24.0 (#308)
- Grok 4.1 Fast: 57.2 (#131)

| Benchmark | Gemma 2B | Grok 4.1 Fast |
|---|---|---|
| LMArena Text | 1002 | 1408 |
| LMArena Creative Writing | 987 | 1394 |
| LMArena Multi-Turn | 945 | 1389 |
| EQ-Bench Creative Writing | — | 1327 |

## FAQ

### Is Gemma 2B better than Grok 4.1 Fast?

Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 29.6 on the Noometry Index.

### Is Gemma 2B or Grok 4.1 Fast better for coding?

Grok 4.1 Fast scores higher on coding benchmarks: 34.1 versus 29.4 in the Noometry coding category.

### How many benchmarks do Gemma 2B and Grok 4.1 Fast share?

11 benchmarks have published results for both models. Gemma 2B has 23 scored results on Noometry and Grok 4.1 Fast has 32.