# Grok Build 0.1 vs Step 3.7 Flash

> Grok Build 0.1 and Step 3.7 Flash score almost the same on the Noometry Index (35.8 vs 36.5), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/grok-build-0-1-vs-step-3-7-flash
- Last updated: 2026-10-10
- Shared benchmarks: 2

## Summary

- They share 2 benchmarks with published results for both. Grok Build 0.1 scores higher in 2 categories and Step 3.7 Flash in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok Build 0.1 leads 31.3 to 20.9.
- The biggest single-benchmark swing is SciCode: 50.2% for Grok Build 0.1 and 40% for Step 3.7 Flash.
- Step 3.7 Flash is cheaper at $0.18 / $1.11 per million input/output tokens, against $1 / $2 for Grok Build 0.1.
- Step 3.7 Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Grok Build 0.1 | Step 3.7 Flash |
|---|---|---|
| Provider | xAI | StepFun |
| Noometry Index | 35.8 | 36.5 |
| Rank | 214 | 207 |
| Context | 256K | 256K |
| Input $/M | $1 | $0.18 |
| Output $/M | $2 | $1.11 |
| Weights | Proprietary | Open |

## Coding

- Grok Build 0.1: 42.5 (#90)
- Step 3.7 Flash: 39.4 (#147)

| Benchmark | Grok Build 0.1 | Step 3.7 Flash |
|---|---|---|
| SciCode | 50.2% | 40% |
| ALE-Bench | — | 694.12 |

## Agentic & Tool Use

- Grok Build 0.1: 22.5 (#122)
- Step 3.7 Flash: —

| Benchmark | Grok Build 0.1 | Step 3.7 Flash |
|---|---|---|
| GBAEval | 2.4% | — |

## Reasoning

- Grok Build 0.1: 31.3 (#73)
- Step 3.7 Flash: 20.9 (#211)

| Benchmark | Grok Build 0.1 | Step 3.7 Flash |
|---|---|---|
| CritPt | 9.1% | 2.3% |
| NYT Connections (extended) | — | 39.7% |

## Math

- Grok Build 0.1: —
- Step 3.7 Flash: 40.9 (#74)

| Benchmark | Grok Build 0.1 | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |

## FAQ

### Is Grok Build 0.1 better than Step 3.7 Flash?

Grok Build 0.1 and Step 3.7 Flash score almost the same on the Noometry Index (35.8 vs 36.5), so choose on price, context window or the category you care about most.

### Which is cheaper, Grok Build 0.1 or Step 3.7 Flash?

Step 3.7 Flash is cheaper. It lists at $0.18 per million input tokens and $1.11 per million output tokens; Grok Build 0.1 lists at $1 and $2.

### Is Grok Build 0.1 or Step 3.7 Flash better for coding?

Grok Build 0.1 scores higher on coding benchmarks: 42.5 versus 39.4 in the Noometry coding category.

### Which has the bigger context window?

Both accept 256K tokens.

### How many benchmarks do Grok Build 0.1 and Step 3.7 Flash share?

2 benchmarks have published results for both models. Grok Build 0.1 has 3 scored results on Noometry and Step 3.7 Flash has 5.