# Grok 4.1 vs Mercury

> Grok 4.1 is the stronger model overall, scoring 41.5 to 37.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-1-vs-mercury
- Last updated: 2026-10-11
- Shared benchmarks: 8

## Summary

- They share 8 benchmarks with published results for both. Grok 4.1 scores higher in 5 categories and Mercury in 1 category; 6 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 leads 62.4 to 46.2.

## Snapshot

| | Grok 4.1 | Mercury |
|---|---|---|
| Provider | xAI | Inception |
| Noometry Index | 41.5 | 37.6 |
| Rank | 134 | 199 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Grok 4.1: 33.7 (#253)
- Mercury: 38.7 (#170)

| Benchmark | Grok 4.1 | Mercury |
|---|---|---|
| LMArena Coding | 1445 | 1322 |
| LMArena WebDev | 1214 | — |

## Agentic & Tool Use

- Grok 4.1: 34.1 (#49)
- Mercury: —

| Benchmark | Grok 4.1 | Mercury |
|---|---|---|
| Cybench | 39% | — |

## Reasoning

- Grok 4.1: 29.5 (#91)
- Mercury: 17.5 (#293)

| Benchmark | Grok 4.1 | Mercury |
|---|---|---|
| LMArena Hard Prompts | 1435 | 1285 |
| Kagi LLM Benchmark | — | 21.6% |

## Math

- Grok 4.1: 38.9 (#120)
- Mercury: —

| Benchmark | Grok 4.1 | Mercury |
|---|---|---|
| LMArena Math | 1422 | — |

## Knowledge

- Grok 4.1: 39.5 (#133)
- Mercury: —

| Benchmark | Grok 4.1 | Mercury |
|---|---|---|
| LMArena Expert | 1417 | — |

## Multilingual

- Grok 4.1: 53.4 (#68)
- Mercury: 41.6 (#206)

| Benchmark | Grok 4.1 | Mercury |
|---|---|---|
| LMArena Non-English | 1425 | 1260 |
| 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)
- Mercury: 65.2 (#224)

| Benchmark | Grok 4.1 | Mercury |
|---|---|---|
| LMArena Instruction Following | 1400 | 1239 |

## Long Context

- Grok 4.1: 43.2 (#100)
- Mercury: 38.4 (#198)

| Benchmark | Grok 4.1 | Mercury |
|---|---|---|
| LMArena Longer Query | 1416 | 1266 |

## Writing & Preference

- Grok 4.1: 62.4 (#75)
- Mercury: 46.2 (#221)

| Benchmark | Grok 4.1 | Mercury |
|---|---|---|
| LMArena Text | 1437 | 1282 |
| LMArena Creative Writing | 1411 | 1191 |
| LMArena Multi-Turn | 1437 | 1282 |

## FAQ

### Is Grok 4.1 better than Mercury?

Grok 4.1 is the stronger model overall, scoring 41.5 to 37.6 on the Noometry Index.

### Is Grok 4.1 or Mercury better for coding?

Mercury scores higher on coding benchmarks: 38.7 versus 33.7 in the Noometry coding category.

### How many benchmarks do Grok 4.1 and Mercury share?

8 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and Mercury has 9.