# Gemma 2 9B vs Grok 4.5

> Grok 4.5 is the stronger model overall, scoring 55.0 to 25.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-2-9b-vs-grok-4-5
- Last updated: 2026-10-11
- Shared benchmarks: 21

## Summary

- They share 21 benchmarks with published results for both. Gemma 2 9B scores higher in 0 categories and Grok 4.5 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Grok 4.5 leads 62.3 to 9.7.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 0.6% for Gemma 2 9B and 97.8% for Grok 4.5.
- Gemma 2 9B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 2 9B | Grok 4.5 |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 25.9 | 55.0 |
| Rank | 341 | 25 |
| Context | — | 500K |
| Input $/M | — | $2 |
| Output $/M | — | $6 |
| Weights | Open | Proprietary |

## Coding

- Gemma 2 9B: 29.4 (#304)
- Grok 4.5: 52.2 (#35)

| Benchmark | Gemma 2 9B | Grok 4.5 |
|---|---|---|
| LMArena Coding | 1173 | 1474 |
| DeepSWE | — | 53.8% |
| FrontierCode | — | 42.4% |
| LMArena WebDev | — | 1553 |
| SciCode | — | 54.1% |
| WeirdML | — | 46.4% |
| BigCodeBench Instruct | 34.7% | — |
| LiveBench Coding | 22.5% | — |
| BigCodeBench Complete | 40.6% | — |
| ALE-Bench | — | 1,309 |

## Agentic & Tool Use

- Gemma 2 9B: —
- Grok 4.5: 44.4 (#17)

| Benchmark | Gemma 2 9B | Grok 4.5 |
|---|---|---|
| APEX-Agents | — | 56.2% |
| τ²-bench Banking | — | 47.9% |
| PostTrainBench | — | 23.4% |
| GBAEval | — | 65.4% |
| GDP.pdf | — | 14% |
| LMArena Search | — | 1213 |
| Vending-Bench 2 | — | 3,887 |

## Reasoning

- Gemma 2 9B: 15.9 (#309)
- Grok 4.5: 56.1 (#25)

| Benchmark | Gemma 2 9B | Grok 4.5 |
|---|---|---|
| LMArena Hard Prompts | 1171 | 1462 |
| Epoch Capabilities Index | 119.83 | 153.92 |
| ARC-AGI-2 | — | 52.6% |
| SimpleBench | — | 70% |
| Kagi LLM Benchmark | — | 83.5% |
| NYT Connections (extended) | — | 79.9% |
| ARC-AGI-1 | — | 87.2% |
| CritPt | — | 15.4% |
| Chess Puzzles | — | 36% |
| LiveBench Reasoning | 15.2% | — |
| DTBench | — | 96.5% |
| LiveBench Data Analysis | 36.4% | — |
| LMCA | — | 45.2% |
| Surface Evolver Bench | — | 74.4% |
| LiveBench | 28.7% | — |
| PIQA | 83.7% | — |

## Math

- Gemma 2 9B: 9.9 (#318)
- Grok 4.5: 60.9 (#35)

| Benchmark | Gemma 2 9B | Grok 4.5 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 0.6% | 97.8% |
| LMArena Math | 1183 | 1459 |
| FrontierMath (Tiers 1-3) | — | 57.2% |
| FrontierMath Tier 4 | — | 24.4% |
| ProofBench | — | 31% |
| LiveBench Math | 19.8% | — |
| MATH Level 5 | 21% | — |
| GSM8K | 84.9% | — |

## Knowledge

- Gemma 2 9B: 9.7 (#305)
- Grok 4.5: 62.3 (#24)

| Benchmark | Gemma 2 9B | Grok 4.5 |
|---|---|---|
| GPQA Diamond | 27.5% | 93.4% |
| LMArena Expert | 1147 | 1466 |
| SimpleQA Verified | — | 48.3% |
| BoolQ | 85.7% | — |
| MMLU | 72.1% | — |

## Multimodal

- Gemma 2 9B: —
- Grok 4.5: 37.6 (#72)

| Benchmark | Gemma 2 9B | Grok 4.5 |
|---|---|---|
| LMArena Vision | — | 1288 |
| Blueprint-Bench 2 | — | 27.3% |
| Furniture Assembly | — | 22.5% |
| LMArena Document | — | 1452 |

## Multilingual

- Gemma 2 9B: 36.6 (#238)
- Grok 4.5: 54.4 (#42)

| Benchmark | Gemma 2 9B | Grok 4.5 |
|---|---|---|
| LMArena Non-English | 1188 | 1440 |
| LMArena Chinese | 1185 | 1496 |
| LMArena French | 1190 | 1456 |
| LMArena German | 1186 | 1446 |
| LMArena Japanese | 1144 | 1428 |
| LMArena Korean | 1137 | 1404 |
| LMArena Russian | 1200 | 1448 |
| LMArena Spanish | 1200 | 1450 |

## Instruction Following

- Gemma 2 9B: 57.6 (#269)
- Grok 4.5: 76.0 (#48)

| Benchmark | Gemma 2 9B | Grok 4.5 |
|---|---|---|
| LMArena Instruction Following | 1178 | 1446 |
| LiveBench Instruction Following | 52.6% | — |

## Long Context

- Gemma 2 9B: 36.3 (#233)
- Grok 4.5: 44.8 (#56)

| Benchmark | Gemma 2 9B | Grok 4.5 |
|---|---|---|
| LMArena Longer Query | 1197 | 1463 |

## Writing & Preference

- Gemma 2 9B: 32.1 (#281)
- Grok 4.5: 65.8 (#42)

| Benchmark | Gemma 2 9B | Grok 4.5 |
|---|---|---|
| LMArena Text | 1207 | 1448 |
| LMArena Creative Writing | 1206 | 1442 |
| EQ-Bench Creative Writing | 841 | 1579 |
| LMArena Multi-Turn | 1193 | 1456 |
| LiveBench Language | 25.5% | — |

## FAQ

### Is Gemma 2 9B better than Grok 4.5?

Grok 4.5 is the stronger model overall, scoring 55.0 to 25.9 on the Noometry Index.

### Is Gemma 2 9B or Grok 4.5 better for coding?

Grok 4.5 scores higher on coding benchmarks: 52.2 versus 29.4 in the Noometry coding category.

### How many benchmarks do Gemma 2 9B and Grok 4.5 share?

21 benchmarks have published results for both models. Gemma 2 9B has 35 scored results on Noometry and Grok 4.5 has 52.