# Gemini 1.5 Flash 8B vs Grok 4.1

> Grok 4.1 is the stronger model overall, scoring 40.8 to 29.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-5-flash-8b-vs-grok-4-1
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 1 category and Grok 4.1 in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 4.1 leads 38.9 to 16.0.

## Snapshot

| | Gemini 1.5 Flash 8B | Grok 4.1 |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 29.7 | 40.8 |
| Rank | 292 | 135 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.5 Flash 8B: 34.9 (#221)
- Grok 4.1: 33.4 (#246)

| Benchmark | Gemini 1.5 Flash 8B | Grok 4.1 |
|---|---|---|
| LMArena Coding | 1218 | 1445 |
| LMArena WebDev | — | 1214 |

## Agentic & Tool Use

- Gemini 1.5 Flash 8B: —
- Grok 4.1: 33.8 (#47)

| Benchmark | Gemini 1.5 Flash 8B | Grok 4.1 |
|---|---|---|
| Cybench | — | 39% |

## Reasoning

- Gemini 1.5 Flash 8B: 19.2 (#242)
- Grok 4.1: 28.3 (#91)

| Benchmark | Gemini 1.5 Flash 8B | Grok 4.1 |
|---|---|---|
| LMArena Hard Prompts | 1210 | 1436 |
| DTBench | 50% | — |

## Math

- Gemini 1.5 Flash 8B: 13.3 (#296)
- Grok 4.1: 36.2 (#124)

| Benchmark | Gemini 1.5 Flash 8B | Grok 4.1 |
|---|---|---|
| LMArena Math | 1207 | 1422 |
| OTIS Mock AIME 2024-2025 | 4.6% | — |

## Knowledge

- Gemini 1.5 Flash 8B: 16.0 (#285)
- Grok 4.1: 38.9 (#129)

| Benchmark | Gemini 1.5 Flash 8B | Grok 4.1 |
|---|---|---|
| LMArena Expert | 1185 | 1417 |
| GPQA Diamond | 33% | — |

## Multimodal

- Gemini 1.5 Flash 8B: 27.6 (#110)
- Grok 4.1: —

| Benchmark | Gemini 1.5 Flash 8B | Grok 4.1 |
|---|---|---|
| LMArena Vision | 1044 | — |

## Multilingual

- Gemini 1.5 Flash 8B: 38.6 (#224)
- Grok 4.1: 53.6 (#64)

| Benchmark | Gemini 1.5 Flash 8B | Grok 4.1 |
|---|---|---|
| LMArena Non-English | 1215 | 1425 |
| LMArena Chinese | 1231 | 1464 |
| LMArena French | 1233 | 1448 |
| LMArena German | 1206 | 1447 |
| LMArena Japanese | 1150 | 1396 |
| LMArena Korean | 1140 | 1407 |
| LMArena Russian | 1236 | 1434 |
| LMArena Spanish | 1212 | 1438 |

## Instruction Following

- Gemini 1.5 Flash 8B: 63.1 (#231)
- Grok 4.1: 74.0 (#106)

| Benchmark | Gemini 1.5 Flash 8B | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | 1199 | 1400 |

## Long Context

- Gemini 1.5 Flash 8B: 36.9 (#220)
- Grok 4.1: 43.2 (#96)

| Benchmark | Gemini 1.5 Flash 8B | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | 1219 | 1416 |

## Writing & Preference

- Gemini 1.5 Flash 8B: 43.0 (#227)
- Grok 4.1: 62.6 (#71)

| Benchmark | Gemini 1.5 Flash 8B | Grok 4.1 |
|---|---|---|
| LMArena Text | 1226 | 1437 |
| LMArena Creative Writing | 1218 | 1411 |
| LMArena Multi-Turn | 1185 | 1438 |

## FAQ

### Is Gemini 1.5 Flash 8B better than Grok 4.1?

Grok 4.1 is the stronger model overall, scoring 40.8 to 29.7 on the Noometry Index.

### Is Gemini 1.5 Flash 8B or Grok 4.1 better for coding?

Gemini 1.5 Flash 8B scores higher on coding benchmarks: 34.9 versus 33.4 in the Noometry coding category.

### How many benchmarks do Gemini 1.5 Flash 8B and Grok 4.1 share?

17 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and Grok 4.1 has 19.