# DeepSeek-V2.5 (Sep 2024) vs Grok 4.1

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

- Canonical page: https://noometry.com/compare/deepseek-v2-5-vs-grok-4-1
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. DeepSeek-V2.5 (Sep 2024) scores higher in 0 categories and Grok 4.1 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 leads 62.4 to 49.8.
- DeepSeek-V2.5 (Sep 2024) has downloadable open weights; the other is API-only.

## Snapshot

| | DeepSeek-V2.5 (Sep 2024) | Grok 4.1 |
|---|---|---|
| Provider | DeepSeek | xAI |
| Noometry Index | 37.6 | 41.5 |
| Rank | 200 | 134 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Proprietary |

## Coding

- DeepSeek-V2.5 (Sep 2024): 31.7 (#281)
- Grok 4.1: 33.7 (#253)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Grok 4.1 |
|---|---|---|
| LMArena Coding | 1309 | 1445 |
| Aider Polyglot | 17.8% | — |
| LMArena WebDev | — | 1214 |
| BigCodeBench Instruct | 48.6% | — |
| BigCodeBench Complete | 53.2% | — |
| HumanEval+ | 83.5% | — |
| MBPP+ | 74.1% | — |

## Agentic & Tool Use

- DeepSeek-V2.5 (Sep 2024): —
- Grok 4.1: 34.1 (#49)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Grok 4.1 |
|---|---|---|
| Cybench | — | 39% |

## Reasoning

- DeepSeek-V2.5 (Sep 2024): 25.6 (#145)
- Grok 4.1: 29.5 (#91)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Grok 4.1 |
|---|---|---|
| LMArena Hard Prompts | 1289 | 1435 |

## Math

- DeepSeek-V2.5 (Sep 2024): 35.9 (#177)
- Grok 4.1: 38.9 (#120)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Grok 4.1 |
|---|---|---|
| LMArena Math | 1288 | 1422 |

## Knowledge

- DeepSeek-V2.5 (Sep 2024): 34.8 (#193)
- Grok 4.1: 39.5 (#133)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Grok 4.1 |
|---|---|---|
| LMArena Expert | 1266 | 1417 |

## Multilingual

- DeepSeek-V2.5 (Sep 2024): 42.5 (#193)
- Grok 4.1: 53.4 (#68)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Grok 4.1 |
|---|---|---|
| LMArena Non-English | 1273 | 1425 |
| LMArena Chinese | 1318 | 1465 |
| LMArena French | 1289 | 1448 |
| LMArena German | 1258 | 1446 |
| LMArena Japanese | 1228 | 1397 |
| LMArena Korean | 1209 | 1407 |
| LMArena Russian | 1289 | 1434 |
| LMArena Spanish | 1248 | 1438 |

## Instruction Following

- DeepSeek-V2.5 (Sep 2024): 67.5 (#194)
- Grok 4.1: 73.8 (#111)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | 1280 | 1400 |

## Long Context

- DeepSeek-V2.5 (Sep 2024): 39.5 (#174)
- Grok 4.1: 43.2 (#100)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | 1301 | 1416 |

## Writing & Preference

- DeepSeek-V2.5 (Sep 2024): 49.8 (#187)
- Grok 4.1: 62.4 (#75)

| Benchmark | DeepSeek-V2.5 (Sep 2024) | Grok 4.1 |
|---|---|---|
| LMArena Text | 1294 | 1437 |
| LMArena Creative Writing | 1285 | 1411 |
| LMArena Multi-Turn | 1297 | 1437 |

## FAQ

### Is DeepSeek-V2.5 (Sep 2024) better than Grok 4.1?

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

### Is DeepSeek-V2.5 (Sep 2024) or Grok 4.1 better for coding?

Grok 4.1 scores higher on coding benchmarks: 33.7 versus 31.7 in the Noometry coding category.

### How many benchmarks do DeepSeek-V2.5 (Sep 2024) and Grok 4.1 share?

17 benchmarks have published results for both models. DeepSeek-V2.5 (Sep 2024) has 22 scored results on Noometry and Grok 4.1 has 19.