# Gemma 2 9B vs Grok-2 (Dec 2024)

> Grok-2 (Dec 2024) is the stronger model overall, scoring 33.4 to 25.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-2-9b-vs-grok-2
- Last updated: 2026-10-10
- Shared benchmarks: 28

## Summary

- They share 28 benchmarks with published results for both. Gemma 2 9B scores higher in 0 categories and Grok-2 (Dec 2024) in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok-2 (Dec 2024) leads 29.8 to 9.7.
- The biggest single-benchmark swing is MATH Level 5: 21% for Gemma 2 9B and 63.5% for Grok-2 (Dec 2024).
- Gemma 2 9B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 2 9B | Grok-2 (Dec 2024) |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 25.7 | 33.4 |
| Rank | 334 | 233 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- Gemma 2 9B: 29.0 (#299)
- Grok-2 (Dec 2024): 32.9 (#254)

| Benchmark | Gemma 2 9B | Grok-2 (Dec 2024) |
|---|---|---|
| LiveBench Coding | 22.5% | 46.4% |
| LMArena Coding | 1174 | 1288 |
| WeirdML | — | 22.2% |
| BigCodeBench Instruct | 34.7% | — |
| BigCodeBench Complete | 40.6% | — |

## Reasoning

- Gemma 2 9B: 15.3 (#306)
- Grok-2 (Dec 2024): 16.4 (#294)

| Benchmark | Gemma 2 9B | Grok-2 (Dec 2024) |
|---|---|---|
| LiveBench Reasoning | 15.2% | 54.8% |
| LMArena Hard Prompts | 1172 | 1272 |
| LiveBench Data Analysis | 36.4% | 54.5% |
| Epoch Capabilities Index | 119.78 | 130.48 |
| LiveBench | 28.7% | 54.3% |
| SimpleBench | — | 22.7% |
| DTBench | — | 65.2% |
| PIQA | 83.7% | — |

## Math

- Gemma 2 9B: 9.3 (#312)
- Grok-2 (Dec 2024): 19.6 (#278)

| Benchmark | Gemma 2 9B | Grok-2 (Dec 2024) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 0.6% | 11.5% |
| LiveBench Math | 19.8% | 54.9% |
| LMArena Math | 1183 | 1283 |
| MATH Level 5 | 21% | 63.5% |
| FrontierMath (Feb 2025 set) | — | 0.7% |
| GSM8K | 84.9% | — |

## Knowledge

- Gemma 2 9B: 9.7 (#300)
- Grok-2 (Dec 2024): 29.8 (#225)

| Benchmark | Gemma 2 9B | Grok-2 (Dec 2024) |
|---|---|---|
| GPQA Diamond | 27.5% | 53.8% |
| LMArena Expert | 1147 | 1254 |
| Confabulations | — | 20.1% |
| BoolQ | 85.7% | — |
| MMLU | 72.1% | — |

## Multilingual

- Gemma 2 9B: 36.8 (#233)
- Grok-2 (Dec 2024): 43.3 (#183)

| Benchmark | Gemma 2 9B | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Non-English | 1188 | 1282 |
| LMArena Chinese | 1185 | 1289 |
| LMArena French | 1189 | 1317 |
| LMArena German | 1186 | 1287 |
| LMArena Japanese | 1144 | 1244 |
| LMArena Korean | 1137 | 1237 |
| LMArena Russian | 1200 | 1286 |
| LMArena Spanish | 1200 | 1281 |

## Instruction Following

- Gemma 2 9B: 57.8 (#264)
- Grok-2 (Dec 2024): 67.1 (#197)

| Benchmark | Gemma 2 9B | Grok-2 (Dec 2024) |
|---|---|---|
| LiveBench Instruction Following | 52.6% | 69.6% |
| LMArena Instruction Following | 1178 | 1270 |

## Long Context

- Gemma 2 9B: 36.3 (#228)
- Grok-2 (Dec 2024): 38.7 (#186)

| Benchmark | Gemma 2 9B | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Longer Query | 1197 | 1276 |

## Writing & Preference

- Gemma 2 9B: 32.3 (#276)
- Grok-2 (Dec 2024): 48.8 (#192)

| Benchmark | Gemma 2 9B | Grok-2 (Dec 2024) |
|---|---|---|
| LMArena Text | 1207 | 1305 |
| LMArena Creative Writing | 1206 | 1284 |
| LMArena Multi-Turn | 1193 | 1290 |
| LiveBench Language | 25.5% | 45.6% |
| Short-Story Creative Writing | — | 63.6% |
| EQ-Bench Creative Writing | 841 | — |

## FAQ

### Is Gemma 2 9B better than Grok-2 (Dec 2024)?

Grok-2 (Dec 2024) is the stronger model overall, scoring 33.4 to 25.7 on the Noometry Index.

### Is Gemma 2 9B or Grok-2 (Dec 2024) better for coding?

Grok-2 (Dec 2024) scores higher on coding benchmarks: 32.9 versus 29.0 in the Noometry coding category.

### How many benchmarks do Gemma 2 9B and Grok-2 (Dec 2024) share?

28 benchmarks have published results for both models. Gemma 2 9B has 35 scored results on Noometry and Grok-2 (Dec 2024) has 34.