# Grok 4.1 vs Llama 13b

> Grok 4.1 is the stronger model overall, scoring 41.5 to 24.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-1-vs-llama-13b
- Last updated: 2026-10-10
- Shared benchmarks: 8

## Summary

- They share 8 benchmarks with published results for both. Grok 4.1 scores higher in 6 categories and Llama 13b in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 leads 62.4 to 13.8.
- Llama 13b has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.1 | Llama 13b |
|---|---|---|
| Provider | xAI | Meta |
| Noometry Index | 41.5 | 24.4 |
| Rank | 134 | 348 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Grok 4.1: 33.7 (#253)
- Llama 13b: 21.4 (#337)

| Benchmark | Grok 4.1 | Llama 13b |
|---|---|---|
| LMArena Coding | 1445 | 683 |
| LMArena WebDev | 1214 | — |

## Agentic & Tool Use

- Grok 4.1: 34.1 (#49)
- Llama 13b: —

| Benchmark | Grok 4.1 | Llama 13b |
|---|---|---|
| Cybench | 39% | — |

## Reasoning

- Grok 4.1: 29.5 (#91)
- Llama 13b: 14.0 (#329)

| Benchmark | Grok 4.1 | Llama 13b |
|---|---|---|
| LMArena Hard Prompts | 1435 | 728 |
| BIG-Bench Hard | — | 37.9% |
| Epoch Capabilities Index | — | 100.58 |
| HellaSwag | — | 79.2% |
| LAMBADA | — | 75.2% |
| PIQA | — | 80.1% |
| WinoGrande | — | 73% |

## Math

- Grok 4.1: 38.9 (#120)
- Llama 13b: 26.7 (#256)

| Benchmark | Grok 4.1 | Llama 13b |
|---|---|---|
| LMArena Math | 1422 | 838 |
| GSM8K | — | 20.6% |

## Knowledge

- Grok 4.1: 39.5 (#133)
- Llama 13b: —

| Benchmark | Grok 4.1 | Llama 13b |
|---|---|---|
| LMArena Expert | 1417 | — |
| ARC (AI2) Challenge | — | 52.7% |
| BoolQ | — | 78.7% |
| MMLU | — | 47.7% |
| OpenBookQA | — | 56.4% |
| TriviaQA | — | 77.9% |

## Multimodal

- Grok 4.1: —
- Llama 13b: —

| Benchmark | Grok 4.1 | Llama 13b |
|---|---|---|
| ScienceQA | — | 43.3% |

## Multilingual

- Grok 4.1: 53.4 (#68)
- Llama 13b: 16.6 (#297)

| Benchmark | Grok 4.1 | Llama 13b |
|---|---|---|
| LMArena Non-English | 1425 | 819 |
| LMArena Chinese | 1465 | — |
| LMArena French | 1448 | — |
| LMArena German | 1446 | — |
| LMArena Japanese | 1397 | — |
| LMArena Korean | 1407 | — |
| LMArena Russian | 1434 | — |
| LMArena Spanish | 1438 | — |

## Instruction Following

- Grok 4.1: 73.8 (#111)
- Llama 13b: 36.7 (#305)

| Benchmark | Grok 4.1 | Llama 13b |
|---|---|---|
| LMArena Instruction Following | 1400 | 781 |

## Long Context

- Grok 4.1: 43.2 (#100)
- Llama 13b: —

| Benchmark | Grok 4.1 | Llama 13b |
|---|---|---|
| LMArena Longer Query | 1416 | — |

## Writing & Preference

- Grok 4.1: 62.4 (#75)
- Llama 13b: 13.8 (#312)

| Benchmark | Grok 4.1 | Llama 13b |
|---|---|---|
| LMArena Text | 1437 | 834 |
| LMArena Creative Writing | 1411 | 794 |
| LMArena Multi-Turn | 1437 | 753 |

## FAQ

### Is Grok 4.1 better than Llama 13b?

Grok 4.1 is the stronger model overall, scoring 41.5 to 24.4 on the Noometry Index.

### Is Grok 4.1 or Llama 13b better for coding?

Grok 4.1 scores higher on coding benchmarks: 33.7 versus 21.4 in the Noometry coding category.

### How many benchmarks do Grok 4.1 and Llama 13b share?

8 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and Llama 13b has 21.