# Gemma 2 9B vs GPT-4.1 nano

> GPT-4.1 nano is the stronger model overall, scoring 27.7 to 25.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-2-9b-vs-gpt-4-1-nano
- Last updated: 2026-10-10
- Shared benchmarks: 19

## Summary

- They share 19 benchmarks with published results for both. Gemma 2 9B scores higher in 3 categories and GPT-4.1 nano in 5 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where GPT-4.1 nano leads 25.5 to 9.3.
- The biggest single-benchmark swing is MATH Level 5: 21% for Gemma 2 9B and 70% for GPT-4.1 nano.
- Gemma 2 9B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 2 9B | GPT-4.1 nano |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 25.7 | 27.7 |
| Rank | 334 | 322 |
| Context | — | 1.05M |
| Input $/M | — | $0.10 |
| Output $/M | — | $0.40 |
| Weights | Open | Proprietary |

## Coding

- Gemma 2 9B: 29.0 (#299)
- GPT-4.1 nano: 23.8 (#325)

| Benchmark | Gemma 2 9B | GPT-4.1 nano |
|---|---|---|
| LMArena Coding | 1174 | 1306 |
| Aider Polyglot | — | 8.9% |
| SciCode | — | 25.9% |
| WeirdML | — | 19% |
| BigCodeBench Instruct | 34.7% | — |
| LiveBench Coding | 22.5% | — |
| BigCodeBench Complete | 40.6% | — |

## Agentic & Tool Use

- Gemma 2 9B: —
- GPT-4.1 nano: 26.3 (#98)

| Benchmark | Gemma 2 9B | GPT-4.1 nano |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 33% |

## Reasoning

- Gemma 2 9B: 15.3 (#306)
- GPT-4.1 nano: 8.6 (#344)

| Benchmark | Gemma 2 9B | GPT-4.1 nano |
|---|---|---|
| LMArena Hard Prompts | 1172 | 1286 |
| Epoch Capabilities Index | 119.78 | 129.62 |
| ARC-AGI-2 | — | 0% |
| Kagi LLM Benchmark | — | 33.3% |
| ARC-AGI-1 | — | 0% |
| CritPt | — | 0% |
| LiveBench Reasoning | 15.2% | — |
| DTBench | — | 52.5% |
| LiveBench Data Analysis | 36.4% | — |
| LMCA | — | 5.5% |
| LiveBench | 28.7% | — |
| PIQA | 83.7% | — |

## Math

- Gemma 2 9B: 9.3 (#312)
- GPT-4.1 nano: 25.5 (#246)

| Benchmark | Gemma 2 9B | GPT-4.1 nano |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 0.6% | 28.9% |
| LMArena Math | 1183 | 1274 |
| MATH Level 5 | 21% | 70% |
| Omni-MATH | — | 36.7% |
| LiveBench Math | 19.8% | — |
| FrontierMath (Feb 2025 set) | — | 1% |
| GSM8K | 84.9% | — |

## Knowledge

- Gemma 2 9B: 9.7 (#300)
- GPT-4.1 nano: 21.8 (#268)

| Benchmark | Gemma 2 9B | GPT-4.1 nano |
|---|---|---|
| GPQA Diamond | 27.5% | 48.9% |
| LMArena Expert | 1147 | 1272 |
| SimpleQA Verified | — | 6% |
| MMLU-Pro | — | 55% |
| GPQA (HELM) | — | 50.7% |
| BoolQ | 85.7% | — |
| MMLU | 72.1% | — |

## Multimodal

- Gemma 2 9B: —
- GPT-4.1 nano: 28.6 (#108)

| Benchmark | Gemma 2 9B | GPT-4.1 nano |
|---|---|---|
| LMArena Vision | — | 1063 |

## Multilingual

- Gemma 2 9B: 36.8 (#233)
- GPT-4.1 nano: 41.8 (#200)

| Benchmark | Gemma 2 9B | GPT-4.1 nano |
|---|---|---|
| LMArena Non-English | 1188 | 1260 |
| LMArena Chinese | 1185 | 1270 |
| LMArena German | 1186 | 1288 |
| LMArena Japanese | 1144 | 1199 |
| LMArena Russian | 1200 | 1261 |
| LMArena French | 1189 | — |
| LMArena Korean | 1137 | — |
| LMArena Spanish | 1200 | — |

## Instruction Following

- Gemma 2 9B: 57.8 (#264)
- GPT-4.1 nano: 68.0 (#188)

| Benchmark | Gemma 2 9B | GPT-4.1 nano |
|---|---|---|
| LMArena Instruction Following | 1178 | 1267 |
| LiveBench Instruction Following | 52.6% | — |
| IFEval | — | 84.3% |

## Long Context

- Gemma 2 9B: 36.3 (#228)
- GPT-4.1 nano: 23.7 (#291)

| Benchmark | Gemma 2 9B | GPT-4.1 nano |
|---|---|---|
| LMArena Longer Query | 1197 | 1283 |
| Fiction.LiveBench | — | 25% |

## Writing & Preference

- Gemma 2 9B: 32.3 (#276)
- GPT-4.1 nano: 40.7 (#238)

| Benchmark | Gemma 2 9B | GPT-4.1 nano |
|---|---|---|
| LMArena Text | 1207 | 1285 |
| LMArena Creative Writing | 1206 | 1260 |
| EQ-Bench Creative Writing | 841 | 946 |
| LMArena Multi-Turn | 1193 | 1277 |
| WildBench | — | 81.2% |
| LiveBench Language | 25.5% | — |

## FAQ

### Is Gemma 2 9B better than GPT-4.1 nano?

GPT-4.1 nano is the stronger model overall, scoring 27.7 to 25.7 on the Noometry Index.

### Is Gemma 2 9B or GPT-4.1 nano better for coding?

Gemma 2 9B scores higher on coding benchmarks: 29.0 versus 23.8 in the Noometry coding category.

### How many benchmarks do Gemma 2 9B and GPT-4.1 nano share?

19 benchmarks have published results for both models. Gemma 2 9B has 35 scored results on Noometry and GPT-4.1 nano has 38.