# Claude 2.1 vs Grok 4.1

> Grok 4.1 is the stronger model overall, scoring 40.8 to 24.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-2-1-vs-grok-4-1
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in math, where Grok 4.1 leads 36.2 to 9.6.

## Snapshot

| | Claude 2.1 | Grok 4.1 |
|---|---|---|
| Provider | Anthropic | xAI |
| Noometry Index | 24.9 | 40.8 |
| Rank | 340 | 135 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 2.1: 25.8 (#322)
- Grok 4.1: 33.4 (#246)

| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| LMArena WebDev | — | 1214 |
| WeirdML | 7.1% | — |
| LMArena Coding | — | 1445 |

## Agentic & Tool Use

- Claude 2.1: —
- Grok 4.1: 33.8 (#47)

| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| Cybench | — | 39% |

## Reasoning

- Claude 2.1: 20.6 (#216)
- Grok 4.1: 28.3 (#91)

| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| LMArena Hard Prompts | — | 1436 |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.22 | — |
| ForecastBench | 54.2 | — |

## Math

- Claude 2.1: 9.6 (#309)
- Grok 4.1: 36.2 (#124)

| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| LMArena Math | — | 1422 |

## Knowledge

- Claude 2.1: 15.5 (#287)
- Grok 4.1: 38.9 (#129)

| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| GPQA Diamond | 33% | — |
| LMArena Expert | — | 1417 |
| MMLU | 73.5% | — |

## Multilingual

- Claude 2.1: —
- Grok 4.1: 53.6 (#64)

| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| LMArena Non-English | — | 1425 |
| LMArena Chinese | — | 1464 |
| LMArena French | — | 1448 |
| LMArena German | — | 1447 |
| LMArena Japanese | — | 1396 |
| LMArena Korean | — | 1407 |
| LMArena Russian | — | 1434 |
| LMArena Spanish | — | 1438 |

## Instruction Following

- Claude 2.1: —
- Grok 4.1: 74.0 (#106)

| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | — | 1400 |

## Long Context

- Claude 2.1: —
- Grok 4.1: 43.2 (#96)

| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | — | 1416 |

## Writing & Preference

- Claude 2.1: —
- Grok 4.1: 62.6 (#71)

| Benchmark | Claude 2.1 | Grok 4.1 |
|---|---|---|
| LMArena Text | — | 1437 |
| LMArena Creative Writing | — | 1411 |
| LMArena Multi-Turn | — | 1438 |

## FAQ

### Is Claude 2.1 better than Grok 4.1?

Grok 4.1 is the stronger model overall, scoring 40.8 to 24.9 on the Noometry Index.

### Is Claude 2.1 or Grok 4.1 better for coding?

Grok 4.1 scores higher on coding benchmarks: 33.4 versus 25.8 in the Noometry coding category.

### How many benchmarks do Claude 2.1 and Grok 4.1 share?

0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Grok 4.1 has 19.