# Mistral Large vs Step 5 Preview

> Step 5 Preview is the stronger model overall, scoring 47.9 to 31.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mistral-large-vs-step-5-preview
- Last updated: 2026-10-12
- Shared benchmarks: 15

## Summary

- They share 15 benchmarks with published results for both. Mistral Large scores higher in 0 categories and Step 5 Preview in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Step 5 Preview leads 46.1 to 18.2.
- The biggest single-benchmark swing is SciCode: 36.2% for Mistral Large and 58.9% for Step 5 Preview.
- Step 5 Preview is cheaper at $1 / $2.70 per million input/output tokens, against $2 / $6 for Mistral Large.
- Step 5 Preview accepts more context: 1.02M tokens versus 131K.
- Mistral Large has downloadable open weights; the other is API-only.

## Snapshot

| | Mistral Large | Step 5 Preview |
|---|---|---|
| Provider | Mistral AI | StepFun |
| Noometry Index | 31.9 | 47.9 |
| Rank | 263 | 58 |
| Context | 131K | 1.02M |
| Input $/M | $2 | $1 |
| Output $/M | $6 | $2.70 |
| Weights | Open | Proprietary |

## Coding

- Mistral Large: 34.3 (#240)
- Step 5 Preview: 51.8 (#36)

| Benchmark | Mistral Large | Step 5 Preview |
|---|---|---|
| SciCode | 36.2% | 58.9% |
| LMArena Coding | 1277 | 1480 |
| LMArena WebDev | — | 1564 |
| BigCodeBench Instruct | 30% | — |
| LiveBench Coding | 47.1% | — |
| BigCodeBench Complete | 38.3% | — |
| ALE-Bench | 264.7 | — |
| HumanEval+ | 62.2% | — |
| MBPP+ | 59.5% | — |

## Agentic & Tool Use

- Mistral Large: 28.6 (#89)
- Step 5 Preview: —

| Benchmark | Mistral Large | Step 5 Preview |
|---|---|---|
| Berkeley Function Calling Leaderboard | 38.4% | — |

## Reasoning

- Mistral Large: 15.8 (#310)
- Step 5 Preview: 40.0 (#57)

| Benchmark | Mistral Large | Step 5 Preview |
|---|---|---|
| CritPt | 0% | 20.9% |
| LMArena Hard Prompts | 1257 | 1465 |
| SimpleBench | 22.5% | — |
| LiveBench Reasoning | 43.5% | — |
| DTBench | 65.1% | — |
| LiveBench Data Analysis | 50.1% | — |
| LMCA | 16.7% | — |
| Epoch Capabilities Index | 128.52 | — |
| ForecastBench | 57.1 | — |
| LiveBench | 48.4% | — |

## Math

- Mistral Large: 18.2 (#291)
- Step 5 Preview: 46.1 (#72)

| Benchmark | Mistral Large | Step 5 Preview |
|---|---|---|
| LMArena Math | 1262 | 1470 |
| OTIS Mock AIME 2024-2025 | 8.5% | — |
| ProofBench | — | 42% |
| Omni-MATH | 28.1% | — |
| LiveBench Math | 42.5% | — |
| MATH Level 5 | 50.3% | — |
| FrontierMath (Feb 2025 set) | 0.3% | — |

## Knowledge

- Mistral Large: 30.1 (#230)
- Step 5 Preview: 41.2 (#112)

| Benchmark | Mistral Large | Step 5 Preview |
|---|---|---|
| LMArena Expert | 1232 | 1470 |
| GPQA Diamond | 51.3% | — |
| MMLU-Pro | 59.9% | — |
| Confabulations | 21.4% | — |
| Vectara Hallucination Rate | 4.5% | — |
| GPQA (HELM) | 43.5% | — |
| MMLU | 80% | — |

## Multimodal

- Mistral Large: —
- Step 5 Preview: 41.0 (#41)

| Benchmark | Mistral Large | Step 5 Preview |
|---|---|---|
| LMArena Vision | — | 1267 |

## Multilingual

- Mistral Large: 40.0 (#219)
- Step 5 Preview: 53.8 (#54)

| Benchmark | Mistral Large | Step 5 Preview |
|---|---|---|
| LMArena Non-English | 1237 | 1432 |
| LMArena Chinese | 1240 | 1519 |
| LMArena Russian | 1257 | 1436 |
| LMArena Spanish | 1268 | 1439 |
| LMArena French | 1325 | — |
| LMArena German | 1254 | — |
| LMArena Japanese | 1188 | — |
| LMArena Korean | 1202 | — |

## Instruction Following

- Mistral Large: 67.9 (#191)
- Step 5 Preview: 76.0 (#50)

| Benchmark | Mistral Large | Step 5 Preview |
|---|---|---|
| LMArena Instruction Following | 1249 | 1444 |
| LiveBench Instruction Following | 67.9% | — |
| IFEval | 87.7% | — |

## Long Context

- Mistral Large: 38.3 (#199)
- Step 5 Preview: 44.5 (#64)

| Benchmark | Mistral Large | Step 5 Preview |
|---|---|---|
| LMArena Longer Query | 1261 | 1455 |

## Writing & Preference

- Mistral Large: 40.7 (#242)
- Step 5 Preview: 62.8 (#71)

| Benchmark | Mistral Large | Step 5 Preview |
|---|---|---|
| LMArena Text | 1266 | 1442 |
| LMArena Creative Writing | 1243 | 1410 |
| LMArena Multi-Turn | 1260 | 1447 |
| Short-Story Creative Writing | 69% | — |
| EQ-Bench Creative Writing | 985 | — |
| WildBench | 80.1% | — |
| LiveBench Language | 39.4% | — |

## FAQ

### Is Mistral Large better than Step 5 Preview?

Step 5 Preview is the stronger model overall, scoring 47.9 to 31.9 on the Noometry Index.

### Which is cheaper, Mistral Large or Step 5 Preview?

Step 5 Preview is cheaper. It lists at $1 per million input tokens and $2.70 per million output tokens; Mistral Large lists at $2 and $6.

### Is Mistral Large or Step 5 Preview better for coding?

Step 5 Preview scores higher on coding benchmarks: 51.8 versus 34.3 in the Noometry coding category.

### Which has the bigger context window?

Step 5 Preview does, with 1.02M tokens against 131K.

### How many benchmarks do Mistral Large and Step 5 Preview share?

15 benchmarks have published results for both models. Mistral Large has 51 scored results on Noometry and Step 5 Preview has 18.