# Gemini 1.5 Flash 8B vs Gemma 2 9B

> Gemini 1.5 Flash 8B is the stronger model overall, scoring 29.7 to 25.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-5-flash-8b-vs-gemma-2-9b
- Last updated: 2026-10-10
- Shared benchmarks: 19

## Summary

- They share 19 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 8 categories and Gemma 2 9B in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Gemini 1.5 Flash 8B leads 43.0 to 32.3.
- The biggest single-benchmark swing is GPQA Diamond: 33% for Gemini 1.5 Flash 8B and 27.5% for Gemma 2 9B.
- Gemma 2 9B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 1.5 Flash 8B | Gemma 2 9B |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 29.7 | 25.7 |
| Rank | 292 | 334 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Gemini 1.5 Flash 8B: 34.9 (#221)
- Gemma 2 9B: 29.0 (#299)

| Benchmark | Gemini 1.5 Flash 8B | Gemma 2 9B |
|---|---|---|
| LMArena Coding | 1218 | 1174 |
| BigCodeBench Instruct | — | 34.7% |
| LiveBench Coding | — | 22.5% |
| BigCodeBench Complete | — | 40.6% |

## Reasoning

- Gemini 1.5 Flash 8B: 19.2 (#242)
- Gemma 2 9B: 15.3 (#306)

| Benchmark | Gemini 1.5 Flash 8B | Gemma 2 9B |
|---|---|---|
| LMArena Hard Prompts | 1210 | 1172 |
| LiveBench Reasoning | — | 15.2% |
| DTBench | 50% | — |
| LiveBench Data Analysis | — | 36.4% |
| Epoch Capabilities Index | — | 119.78 |
| LiveBench | — | 28.7% |
| PIQA | — | 83.7% |

## Math

- Gemini 1.5 Flash 8B: 13.3 (#296)
- Gemma 2 9B: 9.3 (#312)

| Benchmark | Gemini 1.5 Flash 8B | Gemma 2 9B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.6% | 0.6% |
| LMArena Math | 1207 | 1183 |
| LiveBench Math | — | 19.8% |
| MATH Level 5 | — | 21% |
| GSM8K | — | 84.9% |

## Knowledge

- Gemini 1.5 Flash 8B: 16.0 (#285)
- Gemma 2 9B: 9.7 (#300)

| Benchmark | Gemini 1.5 Flash 8B | Gemma 2 9B |
|---|---|---|
| GPQA Diamond | 33% | 27.5% |
| LMArena Expert | 1185 | 1147 |
| BoolQ | — | 85.7% |
| MMLU | — | 72.1% |

## Multimodal

- Gemini 1.5 Flash 8B: 27.6 (#110)
- Gemma 2 9B: —

| Benchmark | Gemini 1.5 Flash 8B | Gemma 2 9B |
|---|---|---|
| LMArena Vision | 1044 | — |

## Multilingual

- Gemini 1.5 Flash 8B: 38.6 (#224)
- Gemma 2 9B: 36.8 (#233)

| Benchmark | Gemini 1.5 Flash 8B | Gemma 2 9B |
|---|---|---|
| LMArena Non-English | 1215 | 1188 |
| LMArena Chinese | 1231 | 1185 |
| LMArena French | 1233 | 1189 |
| LMArena German | 1206 | 1186 |
| LMArena Japanese | 1150 | 1144 |
| LMArena Korean | 1140 | 1137 |
| LMArena Russian | 1236 | 1200 |
| LMArena Spanish | 1212 | 1200 |

## Instruction Following

- Gemini 1.5 Flash 8B: 63.1 (#231)
- Gemma 2 9B: 57.8 (#264)

| Benchmark | Gemini 1.5 Flash 8B | Gemma 2 9B |
|---|---|---|
| LMArena Instruction Following | 1199 | 1178 |
| LiveBench Instruction Following | — | 52.6% |

## Long Context

- Gemini 1.5 Flash 8B: 36.9 (#220)
- Gemma 2 9B: 36.3 (#228)

| Benchmark | Gemini 1.5 Flash 8B | Gemma 2 9B |
|---|---|---|
| LMArena Longer Query | 1219 | 1197 |

## Writing & Preference

- Gemini 1.5 Flash 8B: 43.0 (#227)
- Gemma 2 9B: 32.3 (#276)

| Benchmark | Gemini 1.5 Flash 8B | Gemma 2 9B |
|---|---|---|
| LMArena Text | 1226 | 1207 |
| LMArena Creative Writing | 1218 | 1206 |
| LMArena Multi-Turn | 1185 | 1193 |
| EQ-Bench Creative Writing | — | 841 |
| LiveBench Language | — | 25.5% |

## FAQ

### Is Gemini 1.5 Flash 8B better than Gemma 2 9B?

Gemini 1.5 Flash 8B is the stronger model overall, scoring 29.7 to 25.7 on the Noometry Index.

### Is Gemini 1.5 Flash 8B or Gemma 2 9B better for coding?

Gemini 1.5 Flash 8B scores higher on coding benchmarks: 34.9 versus 29.0 in the Noometry coding category.

### How many benchmarks do Gemini 1.5 Flash 8B and Gemma 2 9B share?

19 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and Gemma 2 9B has 35.