# Mistral Large 3 vs Step 3

> Step 3 is the stronger model overall, scoring 40.5 to 39.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-large-3-vs-step-3
- Last updated: 2026-10-11
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. Mistral Large 3 scores higher in 6 categories and Step 3 in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Step 3 leads 28.4 to 15.2.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 50.9% for Mistral Large 3 and 62.3% for Step 3.

## Snapshot

| | Mistral Large 3 | Step 3 |
|---|---|---|
| Provider | Mistral AI | StepFun |
| Noometry Index | 39.1 | 40.5 |
| Rank | 176 | 149 |
| Context | 262K | — |
| Input $/M | $0.25 | — |
| Output $/M | $0.75 | — |
| Weights | Open | Open |

## Coding

- Mistral Large 3: 34.4 (#237)
- Step 3: 40.1 (#147)

| Benchmark | Mistral Large 3 | Step 3 |
|---|---|---|
| LMArena Coding | 1448 | 1367 |
| LMArena WebDev | 1230 | — |

## Reasoning

- Mistral Large 3: 15.2 (#319)
- Step 3: 28.4 (#105)

| Benchmark | Mistral Large 3 | Step 3 |
|---|---|---|
| Kagi LLM Benchmark | 50.9% | 62.3% |
| LMArena Hard Prompts | 1429 | 1355 |
| NYT Connections (extended) | 7.5% | — |
| Thematic Generalization | 23% | — |

## Math

- Mistral Large 3: 38.7 (#129)
- Step 3: 37.6 (#148)

| Benchmark | Mistral Large 3 | Step 3 |
|---|---|---|
| LMArena Math | 1414 | 1366 |

## Knowledge

- Mistral Large 3: 36.0 (#177)
- Step 3: 36.8 (#164)

| Benchmark | Mistral Large 3 | Step 3 |
|---|---|---|
| LMArena Expert | 1421 | 1333 |
| Vectara Hallucination Rate | 14.5% | — |

## Multimodal

- Mistral Large 3: 38.2 (#66)
- Step 3: 35.5 (#86)

| Benchmark | Mistral Large 3 | Step 3 |
|---|---|---|
| LMArena Vision | 1221 | 1177 |

## Multilingual

- Mistral Large 3: 52.5 (#84)
- Step 3: 46.3 (#159)

| Benchmark | Mistral Large 3 | Step 3 |
|---|---|---|
| LMArena Non-English | 1413 | 1327 |
| LMArena Chinese | 1447 | 1397 |
| LMArena German | 1437 | 1371 |
| LMArena Korean | 1384 | 1269 |
| LMArena Russian | 1411 | 1331 |
| LMArena Spanish | 1440 | 1371 |
| LMArena French | 1455 | — |
| LMArena Japanese | 1394 | — |

## Instruction Following

- Mistral Large 3: 74.0 (#108)
- Step 3: 70.4 (#164)

| Benchmark | Mistral Large 3 | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1403 | 1332 |

## Long Context

- Mistral Large 3: 43.1 (#105)
- Step 3: 40.3 (#157)

| Benchmark | Mistral Large 3 | Step 3 |
|---|---|---|
| LMArena Longer Query | 1413 | 1326 |

## Writing & Preference

- Mistral Large 3: 60.0 (#101)
- Step 3: 54.3 (#151)

| Benchmark | Mistral Large 3 | Step 3 |
|---|---|---|
| LMArena Text | 1428 | 1350 |
| LMArena Creative Writing | 1386 | 1321 |
| LMArena Multi-Turn | 1429 | 1341 |
| EQ-Bench Creative Writing | 1412 | — |

## FAQ

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

Step 3 is the stronger model overall, scoring 40.5 to 39.1 on the Noometry Index.

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

Step 3 scores higher on coding benchmarks: 40.1 versus 34.4 in the Noometry coding category.

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

17 benchmarks have published results for both models. Mistral Large 3 has 24 scored results on Noometry and Step 3 has 17.