Model comparison
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.
Last verified . 0 shared benchmarks.
StepFunSummary
- 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.
Side by side
| Grok 4.1 | Step 3.7 Flash | |
|---|---|---|
| Provider | xAI | StepFun |
| Noometry Index | 41.5 | 37.3 |
| Released | 2025-11-17 | 2026-05-29 |
| Weights | Proprietary | Open |
| Context window | — | 256K |
| Max output | — | 256K |
| Input $ / M tokens | — | $0.18 |
| Output $ / M tokens | — | $1.11 |
| Results tracked | 19 | 5 |
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Category by category
Coding Step 3.7 Flash leads
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 Not comparable
Grok 4.1: 34.1 (#49), Step 3.7 Flash: —
| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| Cybench | 39% | — |
Reasoning Grok 4.1 leads
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 Step 3.7 Flash leads
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 Not comparable
Grok 4.1: 39.5 (#133), Step 3.7 Flash: —
| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| LMArena Expert | 1417 | — |
Multilingual Not comparable
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 Not comparable
Grok 4.1: 73.8 (#111), Step 3.7 Flash: —
| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1400 | — |
Long Context Not comparable
Grok 4.1: 43.2 (#100), Step 3.7 Flash: —
| Benchmark | Grok 4.1 | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1416 | — |
Writing & Preference Not comparable
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 | — |
Frequently asked questions
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.