# Devstral Small 2505 vs Grok 4.1

> Grok 4.1 is the stronger model overall, scoring 40.8 to 33.9 on the Noometry Index.

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

## Summary

- The widest gap is in reasoning, where Grok 4.1 leads 28.3 to 19.1.
- Devstral Small 2505 has downloadable open weights; the other is API-only.

## Snapshot

| | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| Provider | Mistral AI | xAI |
| Noometry Index | 33.9 | 40.8 |
| Rank | 228 | 135 |
| Context | 128K | — |
| Input $/M | $0.10 | — |
| Output $/M | $0.30 | — |
| Weights | Open | Proprietary |

## Coding

- Devstral Small 2505: 38.6 (#160)
- Grok 4.1: 33.4 (#246)

| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| SWE-bench Verified (bash only) | 56.4% | — |
| LMArena WebDev | — | 1214 |
| SciCode | 28.8% | — |
| LMArena Coding | — | 1445 |

## Agentic & Tool Use

- Devstral Small 2505: —
- Grok 4.1: 33.8 (#47)

| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| Cybench | — | 39% |

## Reasoning

- Devstral Small 2505: 19.1 (#243)
- Grok 4.1: 28.3 (#91)

| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| Kagi LLM Benchmark | 37.7% | — |
| CritPt | 0% | — |
| LMArena Hard Prompts | — | 1436 |

## Math

- Devstral Small 2505: —
- Grok 4.1: 36.2 (#124)

| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| LMArena Math | — | 1422 |

## Knowledge

- Devstral Small 2505: —
- Grok 4.1: 38.9 (#129)

| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| LMArena Expert | — | 1417 |

## Multilingual

- Devstral Small 2505: —
- Grok 4.1: 53.6 (#64)

| Benchmark | Devstral Small 2505 | 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

- Devstral Small 2505: —
- Grok 4.1: 74.0 (#106)

| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| LMArena Instruction Following | — | 1400 |

## Long Context

- Devstral Small 2505: —
- Grok 4.1: 43.2 (#96)

| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| LMArena Longer Query | — | 1416 |

## Writing & Preference

- Devstral Small 2505: —
- Grok 4.1: 62.6 (#71)

| Benchmark | Devstral Small 2505 | Grok 4.1 |
|---|---|---|
| LMArena Text | — | 1437 |
| LMArena Creative Writing | — | 1411 |
| LMArena Multi-Turn | — | 1438 |

## FAQ

### Is Devstral Small 2505 better than Grok 4.1?

Grok 4.1 is the stronger model overall, scoring 40.8 to 33.9 on the Noometry Index.

### Is Devstral Small 2505 or Grok 4.1 better for coding?

Devstral Small 2505 scores higher on coding benchmarks: 38.6 versus 33.4 in the Noometry coding category.

### How many benchmarks do Devstral Small 2505 and Grok 4.1 share?

0 benchmarks have published results for both models. Devstral Small 2505 has 4 scored results on Noometry and Grok 4.1 has 19.