# Mistral Large 4 vs Step 3.7 Flash

> Mistral Large 4 is the stronger model overall, scoring 43.1 to 37.3 on the Noometry Index. Step 3.7 Flash costs 2.5× less per token, which makes it the better buy when Mistral Large 4's lead doesn't matter for your workload.

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

## Summary

- They share 1 benchmark with published results for both. Mistral Large 4 scores higher in 2 categories and Step 3.7 Flash in 1 category; 2 gaps are clear of the uncertainty.
- The widest gap is in coding, where Mistral Large 4 leads 48.6 to 40.0.
- The biggest single-benchmark swing is NYT Connections (extended): 27.4% for Mistral Large 4 and 39.7% for Step 3.7 Flash.
- Step 3.7 Flash is cheaper at $0.18 / $1.11 per million input/output tokens, against $0.68 / $2.09 for Mistral Large 4.
- Mistral Large 4 accepts more context: 1.05M tokens versus 256K.
- Step 3.7 Flash has downloadable open weights; the other is API-only.

## Snapshot

| | Mistral Large 4 | Step 3.7 Flash |
|---|---|---|
| Provider | Mistral AI | StepFun |
| Noometry Index | 43.1 | 37.3 |
| Rank | 99 | 207 |
| Context | 1.05M | 256K |
| Input $/M | $0.68 | $0.18 |
| Output $/M | $2.09 | $1.11 |
| Weights | Proprietary | Open |

## Coding

- Mistral Large 4: 48.6 (#57)
- Step 3.7 Flash: 40.0 (#150)

| Benchmark | Mistral Large 4 | Step 3.7 Flash |
|---|---|---|
| LMArena WebDev | 1541 | — |
| SciCode | — | 40% |
| LMArena Coding | 1475 | — |
| ALE-Bench | — | 694.12 |

## Reasoning

- Mistral Large 4: 22.5 (#192)
- Step 3.7 Flash: 21.6 (#219)

| Benchmark | Mistral Large 4 | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | 27.4% | 39.7% |
| CritPt | — | 2.3% |
| LMArena Hard Prompts | 1444 | — |

## Math

- Mistral Large 4: 40.4 (#91)
- Step 3.7 Flash: 42.9 (#82)

| Benchmark | Mistral Large 4 | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| LMArena Math | 1488 | — |

## Knowledge

- Mistral Large 4: 36.6 (#166)
- Step 3.7 Flash: —

| Benchmark | Mistral Large 4 | Step 3.7 Flash |
|---|---|---|
| SimpleQA Verified | 20% | — |
| LMArena Expert | 1447 | — |

## Multilingual

- Mistral Large 4: 52.6 (#82)
- Step 3.7 Flash: —

| Benchmark | Mistral Large 4 | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1415 | — |
| LMArena Chinese | 1491 | — |
| LMArena Russian | 1414 | — |

## Instruction Following

- Mistral Large 4: 75.0 (#76)
- Step 3.7 Flash: —

| Benchmark | Mistral Large 4 | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1424 | — |

## Long Context

- Mistral Large 4: 43.6 (#89)
- Step 3.7 Flash: —

| Benchmark | Mistral Large 4 | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1429 | — |

## Writing & Preference

- Mistral Large 4: 60.4 (#97)
- Step 3.7 Flash: —

| Benchmark | Mistral Large 4 | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1427 | — |
| LMArena Creative Writing | 1361 | — |
| LMArena Multi-Turn | 1424 | — |

## FAQ

### Is Mistral Large 4 better than Step 3.7 Flash?

Mistral Large 4 is the stronger model overall, scoring 43.1 to 37.3 on the Noometry Index. Step 3.7 Flash costs 2.5× less per token, which makes it the better buy when Mistral Large 4's lead doesn't matter for your workload.

### Which is cheaper, Mistral Large 4 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; Mistral Large 4 lists at $0.68 and $2.09.

### Is Mistral Large 4 or Step 3.7 Flash better for coding?

Mistral Large 4 scores higher on coding benchmarks: 48.6 versus 40.0 in the Noometry coding category.

### Which has the bigger context window?

Mistral Large 4 does, with 1.05M tokens against 256K.

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

1 benchmark has published results for both models. Mistral Large 4 has 15 scored results on Noometry and Step 3.7 Flash has 5.