# Grok 4 vs Step 3.7 Flash

> Grok 4 is the stronger model overall, scoring 48.1 to 37.3 on the Noometry Index.

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

## Summary

- The widest gap is in reasoning, where Grok 4 leads 36.7 to 21.6.
- Step 3.7 Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4 | Step 3.7 Flash |
|---|---|---|
| Provider | xAI | StepFun |
| Noometry Index | 48.1 | 37.3 |
| Rank | 56 | 207 |
| Context | — | 256K |
| Input $/M | — | $0.18 |
| Output $/M | — | $1.11 |
| Weights | Proprietary | Open |

## Coding

- Grok 4: 50.3 (#46)
- Step 3.7 Flash: 40.0 (#150)

| Benchmark | Grok 4 | Step 3.7 Flash |
|---|---|---|
| Aider Polyglot | 79.6% | — |
| SciCode | — | 40% |
| WeirdML | 45.7% | — |
| LMArena Coding | 1408 | — |
| ALE-Bench | — | 694.12 |

## Agentic & Tool Use

- Grok 4: 32.3 (#68)
- Step 3.7 Flash: —

| Benchmark | Grok 4 | Step 3.7 Flash |
|---|---|---|
| Terminal-Bench | 27.2% | — |
| Berkeley Function Calling Leaderboard | 63% | — |
| GDPval | 21.1% | — |
| Cybench | 43% | — |
| DeepResearch Bench | 47.3% | — |
| BALROG | 43.6% | — |
| LMArena Search | 1142 | — |
| METR Time Horizons | 66.6% | — |

## Reasoning

- Grok 4: 36.7 (#65)
- Step 3.7 Flash: 21.6 (#219)

| Benchmark | Grok 4 | Step 3.7 Flash |
|---|---|---|
| ARC-AGI-2 | 16% | — |
| SimpleBench | 60.5% | — |
| Kagi LLM Benchmark | 73.6% | — |
| NYT Connections (extended) | — | 39.7% |
| ARC-AGI-1 | 66.7% | — |
| CritPt | — | 2.3% |
| Chess Puzzles | 28% | — |
| LMArena Hard Prompts | 1409 | — |
| Epoch Capabilities Index | 146.44 | — |
| ForecastBench | 60.9 | — |

## Math

- Grok 4: 48.4 (#64)
- Step 3.7 Flash: 42.9 (#82)

| Benchmark | Grok 4 | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| OTIS Mock AIME 2024-2025 | 84% | — |
| Omni-MATH | 60.3% | — |
| LMArena Math | 1422 | — |
| FrontierMath (Feb 2025 set) | 19.7% | — |
| FrontierMath Tier 4 (v1) | 2.1% | — |

## Knowledge

- Grok 4: 53.8 (#55)
- Step 3.7 Flash: —

| Benchmark | Grok 4 | Step 3.7 Flash |
|---|---|---|
| GPQA Diamond | 87% | — |
| MMLU-Pro | 85.1% | — |
| Confabulations | 12.4% | — |
| GPQA (HELM) | 72.7% | — |
| LMArena Expert | 1415 | — |

## Multimodal

- Grok 4: 33.7 (#94)
- Step 3.7 Flash: —

| Benchmark | Grok 4 | Step 3.7 Flash |
|---|---|---|
| LMArena Vision | 1210 | — |
| GeoBench | 45% | — |

## Multilingual

- Grok 4: 51.8 (#103)
- Step 3.7 Flash: —

| Benchmark | Grok 4 | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1403 | — |
| LMArena Chinese | 1427 | — |
| LMArena French | 1418 | — |
| LMArena German | 1429 | — |
| LMArena Japanese | 1394 | — |
| LMArena Korean | 1377 | — |
| LMArena Russian | 1410 | — |
| LMArena Spanish | 1420 | — |

## Instruction Following

- Grok 4: 79.2 (#5)
- Step 3.7 Flash: —

| Benchmark | Grok 4 | Step 3.7 Flash |
|---|---|---|
| IFEval | 94.9% | — |
| LMArena Instruction Following | 1387 | — |

## Long Context

- Grok 4: 63.1 (#4)
- Step 3.7 Flash: —

| Benchmark | Grok 4 | Step 3.7 Flash |
|---|---|---|
| Fiction.LiveBench | 94.4% | — |
| LMArena Longer Query | 1409 | — |

## Writing & Preference

- Grok 4: 58.5 (#116)
- Step 3.7 Flash: —

| Benchmark | Grok 4 | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1411 | — |
| LMArena Creative Writing | 1397 | — |
| Short-Story Creative Writing | 76.9% | — |
| WildBench | 79.7% | — |
| LMArena Multi-Turn | 1416 | — |

## FAQ

### Is Grok 4 better than Step 3.7 Flash?

Grok 4 is the stronger model overall, scoring 48.1 to 37.3 on the Noometry Index.

### Is Grok 4 or Step 3.7 Flash better for coding?

Grok 4 scores higher on coding benchmarks: 50.3 versus 40.0 in the Noometry coding category.

### How many benchmarks do Grok 4 and Step 3.7 Flash share?

0 benchmarks have published results for both models. Grok 4 has 48 scored results on Noometry and Step 3.7 Flash has 5.