# Mistral Large 3 vs Step 3.7 Flash

> Mistral Large 3 is the stronger model overall, scoring 39.1 to 37.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-large-3-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 3 scores higher in 0 categories and Step 3.7 Flash in 3 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Step 3.7 Flash leads 21.6 to 15.2.
- The biggest single-benchmark swing is NYT Connections (extended): 7.5% for Mistral Large 3 and 39.7% for Step 3.7 Flash.
- Mistral Large 3 is cheaper at $0.25 / $0.75 per million input/output tokens, against $0.18 / $1.11 for Step 3.7 Flash.
- Mistral Large 3 accepts more context: 262K tokens versus 256K.

## Snapshot

| | Mistral Large 3 | Step 3.7 Flash |
|---|---|---|
| Provider | Mistral AI | StepFun |
| Noometry Index | 39.1 | 37.3 |
| Rank | 176 | 207 |
| Context | 262K | 256K |
| Input $/M | $0.25 | $0.18 |
| Output $/M | $0.75 | $1.11 |
| Weights | Open | Open |

## Coding

- Mistral Large 3: 34.4 (#237)
- Step 3.7 Flash: 40.0 (#150)

| Benchmark | Mistral Large 3 | Step 3.7 Flash |
|---|---|---|
| LMArena WebDev | 1230 | — |
| SciCode | — | 40% |
| LMArena Coding | 1448 | — |
| ALE-Bench | — | 694.12 |

## Reasoning

- Mistral Large 3: 15.2 (#319)
- Step 3.7 Flash: 21.6 (#219)

| Benchmark | Mistral Large 3 | Step 3.7 Flash |
|---|---|---|
| NYT Connections (extended) | 7.5% | 39.7% |
| Kagi LLM Benchmark | 50.9% | — |
| CritPt | — | 2.3% |
| Thematic Generalization | 23% | — |
| LMArena Hard Prompts | 1429 | — |

## Math

- Mistral Large 3: 38.7 (#129)
- Step 3.7 Flash: 42.9 (#82)

| Benchmark | Mistral Large 3 | Step 3.7 Flash |
|---|---|---|
| MathArena Final-Answer Competitions | — | 68.5% |
| LMArena Math | 1414 | — |

## Knowledge

- Mistral Large 3: 36.0 (#177)
- Step 3.7 Flash: —

| Benchmark | Mistral Large 3 | Step 3.7 Flash |
|---|---|---|
| Vectara Hallucination Rate | 14.5% | — |
| LMArena Expert | 1421 | — |

## Multimodal

- Mistral Large 3: 38.2 (#66)
- Step 3.7 Flash: —

| Benchmark | Mistral Large 3 | Step 3.7 Flash |
|---|---|---|
| LMArena Vision | 1221 | — |

## Multilingual

- Mistral Large 3: 52.5 (#84)
- Step 3.7 Flash: —

| Benchmark | Mistral Large 3 | Step 3.7 Flash |
|---|---|---|
| LMArena Non-English | 1413 | — |
| LMArena Chinese | 1447 | — |
| LMArena French | 1455 | — |
| LMArena German | 1437 | — |
| LMArena Japanese | 1394 | — |
| LMArena Korean | 1384 | — |
| LMArena Russian | 1411 | — |
| LMArena Spanish | 1440 | — |

## Instruction Following

- Mistral Large 3: 74.0 (#108)
- Step 3.7 Flash: —

| Benchmark | Mistral Large 3 | Step 3.7 Flash |
|---|---|---|
| LMArena Instruction Following | 1403 | — |

## Long Context

- Mistral Large 3: 43.1 (#105)
- Step 3.7 Flash: —

| Benchmark | Mistral Large 3 | Step 3.7 Flash |
|---|---|---|
| LMArena Longer Query | 1413 | — |

## Writing & Preference

- Mistral Large 3: 60.0 (#101)
- Step 3.7 Flash: —

| Benchmark | Mistral Large 3 | Step 3.7 Flash |
|---|---|---|
| LMArena Text | 1428 | — |
| LMArena Creative Writing | 1386 | — |
| EQ-Bench Creative Writing | 1412 | — |
| LMArena Multi-Turn | 1429 | — |

## FAQ

### Is Mistral Large 3 better than Step 3.7 Flash?

Mistral Large 3 is the stronger model overall, scoring 39.1 to 37.3 on the Noometry Index.

### Which is cheaper, Mistral Large 3 or Step 3.7 Flash?

Mistral Large 3 is cheaper. It lists at $0.25 per million input tokens and $0.75 per million output tokens; Step 3.7 Flash lists at $0.18 and $1.11.

### Is Mistral Large 3 or Step 3.7 Flash better for coding?

Step 3.7 Flash scores higher on coding benchmarks: 40.0 versus 34.4 in the Noometry coding category.

### Which has the bigger context window?

Mistral Large 3 does, with 262K tokens against 256K.

### How many benchmarks do Mistral Large 3 and Step 3.7 Flash share?

1 benchmark has published results for both models. Mistral Large 3 has 24 scored results on Noometry and Step 3.7 Flash has 5.