# Claude 3 Sonnet vs Grok 4.1

> Grok 4.1 is the stronger model overall, scoring 41.5 to 29.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-grok-4-1
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Claude 3 Sonnet scores higher in 0 categories and Grok 4.1 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Grok 4.1 leads 38.9 to 10.7.

## Snapshot

| | Claude 3 Sonnet | Grok 4.1 |
|---|---|---|
| Provider | Anthropic | xAI |
| Noometry Index | 29.0 | 41.5 |
| Rank | 319 | 134 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3 Sonnet: 29.6 (#302)
- Grok 4.1: 33.7 (#253)

| Benchmark | Claude 3 Sonnet | Grok 4.1 |
|---|---|---|
| LMArena Coding | 1223 | 1445 |
| LMArena WebDev | — | 1214 |
| WeirdML | 10.2% | — |
| BigCodeBench Instruct | 42.7% | — |
| BigCodeBench Complete | 53.8% | — |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |

## Agentic & Tool Use

- Claude 3 Sonnet: —
- Grok 4.1: 34.1 (#49)

| Benchmark | Claude 3 Sonnet | Grok 4.1 |
|---|---|---|
| Cybench | — | 39% |

## Reasoning

- Claude 3 Sonnet: 20.5 (#237)
- Grok 4.1: 29.5 (#91)

| Benchmark | Claude 3 Sonnet | Grok 4.1 |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1435 |
| DTBench | 53.6% | — |
| Epoch Capabilities Index | 120.7 | — |
| WinoGrande | 75.1% | — |

## Math

- Claude 3 Sonnet: 10.7 (#310)
- Grok 4.1: 38.9 (#120)

| Benchmark | Claude 3 Sonnet | Grok 4.1 |
|---|---|---|
| LMArena Math | 1213 | 1422 |
| OTIS Mock AIME 2024-2025 | 2.5% | — |
| MATH Level 5 | 18.2% | — |

## Knowledge

- Claude 3 Sonnet: 21.1 (#276)
- Grok 4.1: 39.5 (#133)

| Benchmark | Claude 3 Sonnet | Grok 4.1 |
|---|---|---|
| LMArena Expert | 1173 | 1417 |
| GPQA Diamond | 40.6% | — |
| MMLU | 75.9% | — |

## Multimodal

- Claude 3 Sonnet: 25.2 (#125)
- Grok 4.1: —

| Benchmark | Claude 3 Sonnet | Grok 4.1 |
|---|---|---|
| LMArena Vision | 984 | — |

## Multilingual

- Claude 3 Sonnet: 37.8 (#234)
- Grok 4.1: 53.4 (#68)

| Benchmark | Claude 3 Sonnet | Grok 4.1 |
|---|---|---|
| LMArena Non-English | 1205 | 1425 |
| LMArena Chinese | 1189 | 1465 |
| LMArena French | 1229 | 1448 |
| LMArena German | 1204 | 1446 |
| LMArena Japanese | 1131 | 1397 |
| LMArena Korean | 1128 | 1407 |
| LMArena Russian | 1227 | 1434 |
| LMArena Spanish | 1204 | 1438 |

## Instruction Following

- Claude 3 Sonnet: 62.8 (#235)
- Grok 4.1: 73.8 (#111)

| Benchmark | Claude 3 Sonnet | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | 1199 | 1400 |

## Long Context

- Claude 3 Sonnet: 36.7 (#228)
- Grok 4.1: 43.2 (#100)

| Benchmark | Claude 3 Sonnet | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | 1211 | 1416 |

## Writing & Preference

- Claude 3 Sonnet: 42.1 (#238)
- Grok 4.1: 62.4 (#75)

| Benchmark | Claude 3 Sonnet | Grok 4.1 |
|---|---|---|
| LMArena Text | 1218 | 1437 |
| LMArena Creative Writing | 1186 | 1411 |
| LMArena Multi-Turn | 1227 | 1437 |

## FAQ

### Is Claude 3 Sonnet better than Grok 4.1?

Grok 4.1 is the stronger model overall, scoring 41.5 to 29.0 on the Noometry Index.

### Is Claude 3 Sonnet or Grok 4.1 better for coding?

Grok 4.1 scores higher on coding benchmarks: 33.7 versus 29.6 in the Noometry coding category.

### How many benchmarks do Claude 3 Sonnet and Grok 4.1 share?

17 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Grok 4.1 has 19.