# Claude 3 Sonnet vs Gemma 2 9B

> Claude 3 Sonnet is the stronger model overall, scoring 29.0 to 25.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-gemma-2-9b
- Last updated: 2026-10-10
- Shared benchmarks: 24

## Summary

- They share 24 benchmarks with published results for both. Claude 3 Sonnet scores higher in 8 categories and Gemma 2 9B in 0 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Claude 3 Sonnet leads 21.1 to 9.7.
- The biggest single-benchmark swing is BigCodeBench Complete: 53.8% for Claude 3 Sonnet and 40.6% for Gemma 2 9B.
- Gemma 2 9B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Sonnet | Gemma 2 9B |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 29.0 | 25.9 |
| Rank | 319 | 341 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Sonnet: 29.6 (#302)
- Gemma 2 9B: 29.4 (#304)

| Benchmark | Claude 3 Sonnet | Gemma 2 9B |
|---|---|---|
| BigCodeBench Instruct | 42.7% | 34.7% |
| LMArena Coding | 1223 | 1173 |
| BigCodeBench Complete | 53.8% | 40.6% |
| WeirdML | 10.2% | — |
| LiveBench Coding | — | 22.5% |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |

## Reasoning

- Claude 3 Sonnet: 20.5 (#237)
- Gemma 2 9B: 15.9 (#309)

| Benchmark | Claude 3 Sonnet | Gemma 2 9B |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1171 |
| Epoch Capabilities Index | 120.7 | 119.83 |
| LiveBench Reasoning | — | 15.2% |
| DTBench | 53.6% | — |
| LiveBench Data Analysis | — | 36.4% |
| LiveBench | — | 28.7% |
| PIQA | — | 83.7% |
| WinoGrande | 75.1% | — |

## Math

- Claude 3 Sonnet: 10.7 (#310)
- Gemma 2 9B: 9.9 (#318)

| Benchmark | Claude 3 Sonnet | Gemma 2 9B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | 0.6% |
| LMArena Math | 1213 | 1183 |
| MATH Level 5 | 18.2% | 21% |
| LiveBench Math | — | 19.8% |
| GSM8K | — | 84.9% |

## Knowledge

- Claude 3 Sonnet: 21.1 (#276)
- Gemma 2 9B: 9.7 (#305)

| Benchmark | Claude 3 Sonnet | Gemma 2 9B |
|---|---|---|
| GPQA Diamond | 40.6% | 27.5% |
| LMArena Expert | 1173 | 1147 |
| MMLU | 75.9% | 72.1% |
| BoolQ | — | 85.7% |

## Multimodal

- Claude 3 Sonnet: 25.2 (#125)
- Gemma 2 9B: —

| Benchmark | Claude 3 Sonnet | Gemma 2 9B |
|---|---|---|
| LMArena Vision | 984 | — |

## Multilingual

- Claude 3 Sonnet: 37.8 (#234)
- Gemma 2 9B: 36.6 (#238)

| Benchmark | Claude 3 Sonnet | Gemma 2 9B |
|---|---|---|
| LMArena Non-English | 1205 | 1188 |
| LMArena Chinese | 1189 | 1185 |
| LMArena French | 1229 | 1190 |
| LMArena German | 1204 | 1186 |
| LMArena Japanese | 1131 | 1144 |
| LMArena Korean | 1128 | 1137 |
| LMArena Russian | 1227 | 1200 |
| LMArena Spanish | 1204 | 1200 |

## Instruction Following

- Claude 3 Sonnet: 62.8 (#235)
- Gemma 2 9B: 57.6 (#269)

| Benchmark | Claude 3 Sonnet | Gemma 2 9B |
|---|---|---|
| LMArena Instruction Following | 1199 | 1178 |
| LiveBench Instruction Following | — | 52.6% |

## Long Context

- Claude 3 Sonnet: 36.7 (#228)
- Gemma 2 9B: 36.3 (#233)

| Benchmark | Claude 3 Sonnet | Gemma 2 9B |
|---|---|---|
| LMArena Longer Query | 1211 | 1197 |

## Writing & Preference

- Claude 3 Sonnet: 42.1 (#238)
- Gemma 2 9B: 32.1 (#281)

| Benchmark | Claude 3 Sonnet | Gemma 2 9B |
|---|---|---|
| LMArena Text | 1218 | 1207 |
| LMArena Creative Writing | 1186 | 1206 |
| LMArena Multi-Turn | 1227 | 1193 |
| EQ-Bench Creative Writing | — | 841 |
| LiveBench Language | — | 25.5% |

## FAQ

### Is Claude 3 Sonnet better than Gemma 2 9B?

Claude 3 Sonnet is the stronger model overall, scoring 29.0 to 25.9 on the Noometry Index.

### Is Claude 3 Sonnet or Gemma 2 9B better for coding?

They score almost the same on coding (29.6 vs 29.4); test both on your own repository before choosing.

### How many benchmarks do Claude 3 Sonnet and Gemma 2 9B share?

24 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Gemma 2 9B has 35.