# Grok 4.1 vs Step 3.7 Flash

> Grok 4.1 is the stronger model overall, scoring 41.5 to 37.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-1-vs-step-3-7-flash
- Last updated: 2026-10-11
- Shared benchmarks: 0

## Summary

- The widest gap is in reasoning, where Grok 4.1 leads 29.5 to 21.6.
- Step 3.7 Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| Provider | xAI | StepFun |
| Noometry Index | 41.5 | 37.3 |
| Rank | 134 | 207 |
| Context | — | 256K |
| Input $/M | — | $0.18 |
| Output $/M | — | $1.11 |
| Weights | Proprietary | Open |

## Coding

- Grok 4.1: 33.7 (#253)
- Step 3.7 Flash: 40.0 (#150)

| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| LMArena WebDev | 1214 | — |
| SciCode | — | 40% |
| LMArena Coding | 1445 | — |
| ALE-Bench | — | 694.12 |

## Agentic & Tool Use

- Grok 4.1: 34.1 (#49)
- Step 3.7 Flash: —

| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| Cybench | 39% | — |

## Reasoning

- Grok 4.1: 29.5 (#91)
- Step 3.7 Flash: 21.6 (#219)

| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | — | 39.7% |
| CritPt | — | 2.3% |
| LMArena Hard Prompts | 1435 | — |

## Math

- Grok 4.1: 38.9 (#120)
- Step 3.7 Flash: 42.9 (#82)

| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| LMArena Math | 1422 | — |

## Knowledge

- Grok 4.1: 39.5 (#133)
- Step 3.7 Flash: —

| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| LMArena Expert | 1417 | — |

## Multilingual

- Grok 4.1: 53.4 (#68)
- Step 3.7 Flash: —

| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1425 | — |
| 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)
- Step 3.7 Flash: —

| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1400 | — |

## Long Context

- Grok 4.1: 43.2 (#100)
- Step 3.7 Flash: —

| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1416 | — |

## Writing & Preference

- Grok 4.1: 62.4 (#75)
- Step 3.7 Flash: —

| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1437 | — |
| LMArena Creative Writing | 1411 | — |
| LMArena Multi-Turn | 1437 | — |

## FAQ

### Is Grok 4.1 better than Step 3.7 Flash?

Grok 4.1 is the stronger model overall, scoring 41.5 to 37.3 on the Noometry Index.

### Is Grok 4.1 or Step 3.7 Flash better for coding?

Step 3.7 Flash scores higher on coding benchmarks: 40.0 versus 33.7 in the Noometry coding category.

### How many benchmarks do Grok 4.1 and Step 3.7 Flash share?

0 benchmarks have published results for both models. Grok 4.1 has 19 scored results on Noometry and Step 3.7 Flash has 5.