# Gemma 2B vs Grok 4.5

> Grok 4.5 is the stronger model overall, scoring 55.0 to 29.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemma-2b-vs-grok-4-5
- Last updated: 2026-10-11
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. Gemma 2B scores higher in 0 categories and Grok 4.5 in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.5 leads 65.8 to 24.0.
- Gemma 2B has downloadable open weights; the other is API-only.

## Snapshot

| | Gemma 2B | Grok 4.5 |
|---|---|---|
| Provider | Google | xAI |
| Noometry Index | 29.6 | 55.0 |
| Rank | 307 | 25 |
| Context | — | 500K |
| Input $/M | — | $2 |
| Output $/M | — | $6 |
| Weights | Open | Proprietary |

## Coding

- Gemma 2B: 29.4 (#305)
- Grok 4.5: 52.2 (#35)

| Benchmark | Gemma 2B | Grok 4.5 |
|---|---|---|
| LMArena Coding | 1010 | 1474 |
| DeepSWE | — | 53.8% |
| FrontierCode | — | 42.4% |
| LMArena WebDev | — | 1553 |
| SciCode | — | 54.1% |
| WeirdML | — | 46.4% |
| ALE-Bench | — | 1,309 |
| HumanEval+ | 20.7% | — |
| MBPP+ | 34.1% | — |

## Agentic & Tool Use

- Gemma 2B: —
- Grok 4.5: 44.4 (#17)

| Benchmark | Gemma 2B | 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 2B: 18.8 (#275)
- Grok 4.5: 56.1 (#25)

| Benchmark | Gemma 2B | Grok 4.5 |
|---|---|---|
| LMArena Hard Prompts | 989 | 1462 |
| Epoch Capabilities Index | 94.2 | 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% |
| DTBench | — | 96.5% |
| LMCA | — | 45.2% |
| Surface Evolver Bench | — | 74.4% |
| BIG-Bench Hard | 35.2% | — |
| HellaSwag | 71.4% | — |
| PIQA | 77.3% | — |
| WinoGrande | 65.4% | — |

## Math

- Gemma 2B: 30.0 (#239)
- Grok 4.5: 60.9 (#35)

| Benchmark | Gemma 2B | Grok 4.5 |
|---|---|---|
| LMArena Math | 1009 | 1459 |
| FrontierMath (Tiers 1-3) | — | 57.2% |
| FrontierMath Tier 4 | — | 24.4% |
| OTIS Mock AIME 2024-2025 | — | 97.8% |
| ProofBench | — | 31% |
| GSM8K | 17.7% | — |

## Knowledge

- Gemma 2B: —
- Grok 4.5: 62.3 (#24)

| Benchmark | Gemma 2B | Grok 4.5 |
|---|---|---|
| GPQA Diamond | — | 93.4% |
| SimpleQA Verified | — | 48.3% |
| LMArena Expert | — | 1466 |
| ARC (AI2) Challenge | 42.1% | — |
| BoolQ | 69.4% | — |
| MMLU | 42.3% | — |
| TriviaQA | 53.2% | — |

## Multimodal

- Gemma 2B: —
- Grok 4.5: 37.6 (#72)

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

## Multilingual

- Gemma 2B: 23.0 (#294)
- Grok 4.5: 54.4 (#42)

| Benchmark | Gemma 2B | Grok 4.5 |
|---|---|---|
| LMArena Non-English | 958 | 1440 |
| LMArena Chinese | 986 | 1496 |
| LMArena Russian | 937 | 1448 |
| LMArena French | — | 1456 |
| LMArena German | — | 1446 |
| LMArena Japanese | — | 1428 |
| LMArena Korean | — | 1404 |
| LMArena Spanish | — | 1450 |

## Instruction Following

- Gemma 2B: 48.5 (#302)
- Grok 4.5: 76.0 (#48)

| Benchmark | Gemma 2B | Grok 4.5 |
|---|---|---|
| LMArena Instruction Following | 970 | 1446 |

## Long Context

- Gemma 2B: 29.9 (#291)
- Grok 4.5: 44.8 (#56)

| Benchmark | Gemma 2B | Grok 4.5 |
|---|---|---|
| LMArena Longer Query | 981 | 1463 |

## Writing & Preference

- Gemma 2B: 24.0 (#308)
- Grok 4.5: 65.8 (#42)

| Benchmark | Gemma 2B | Grok 4.5 |
|---|---|---|
| LMArena Text | 1002 | 1448 |
| LMArena Creative Writing | 987 | 1442 |
| LMArena Multi-Turn | 945 | 1456 |
| EQ-Bench Creative Writing | — | 1579 |

## FAQ

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

Grok 4.5 is the stronger model overall, scoring 55.0 to 29.6 on the Noometry Index.

### Is Gemma 2B 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 2B and Grok 4.5 share?

12 benchmarks have published results for both models. Gemma 2B has 23 scored results on Noometry and Grok 4.5 has 52.