# Codestral vs Step 3

> Step 3 is the stronger model overall, scoring 39.9 to 30.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/codestral-vs-step-3
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Codestral scores higher in 0 categories and Step 3 in 2 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in coding, where Step 3 leads 39.5 to 26.9.
- The biggest single-benchmark swing is Kagi LLM Benchmark: 32.5% for Codestral and 62.3% for Step 3.

## Snapshot

| | Codestral | Step 3 |
|---|---|---|
| Provider | Mistral AI | StepFun |
| Noometry Index | 30.1 | 39.9 |
| Rank | 287 | 145 |
| Context | 256K | — |
| Input $/M | $0.30 | — |
| Output $/M | $0.90 | — |
| Weights | Open | Open |

## Coding

- Codestral: 26.9 (#316)
- Step 3: 39.5 (#144)

| Benchmark | Codestral | Step 3 |
|---|---|---|
| Aider Polyglot | 11.1% | — |
| BigCodeBench Instruct | 41.8% | — |
| LMArena Coding | — | 1367 |
| BigCodeBench Complete | 52.5% | — |
| ALE-Bench | 137.78 | — |
| HumanEval+ | 73.8% | — |
| MBPP+ | 61.9% | — |

## Reasoning

- Codestral: 19.1 (#244)
- Step 3: 27.6 (#102)

| Benchmark | Codestral | Step 3 |
|---|---|---|
| Kagi LLM Benchmark | 32.5% | 62.3% |
| LMArena Hard Prompts | — | 1355 |

## Math

- Codestral: —
- Step 3: 34.9 (#148)

| Benchmark | Codestral | Step 3 |
|---|---|---|
| LMArena Math | — | 1366 |

## Knowledge

- Codestral: —
- Step 3: 36.2 (#161)

| Benchmark | Codestral | Step 3 |
|---|---|---|
| LMArena Expert | — | 1333 |

## Multimodal

- Codestral: —
- Step 3: 34.9 (#81)

| Benchmark | Codestral | Step 3 |
|---|---|---|
| LMArena Vision | — | 1176 |

## Multilingual

- Codestral: —
- Step 3: 46.5 (#154)

| Benchmark | Codestral | Step 3 |
|---|---|---|
| LMArena Non-English | — | 1327 |
| LMArena Chinese | — | 1396 |
| LMArena German | — | 1371 |
| LMArena Korean | — | 1271 |
| LMArena Russian | — | 1331 |
| LMArena Spanish | — | 1372 |

## Instruction Following

- Codestral: —
- Step 3: 70.6 (#159)

| Benchmark | Codestral | Step 3 |
|---|---|---|
| LMArena Instruction Following | — | 1332 |

## Long Context

- Codestral: —
- Step 3: 40.3 (#152)

| Benchmark | Codestral | Step 3 |
|---|---|---|
| LMArena Longer Query | — | 1326 |

## Writing & Preference

- Codestral: —
- Step 3: 54.5 (#146)

| Benchmark | Codestral | Step 3 |
|---|---|---|
| LMArena Text | — | 1351 |
| LMArena Creative Writing | — | 1322 |
| LMArena Multi-Turn | — | 1340 |

## FAQ

### Is Codestral better than Step 3?

Step 3 is the stronger model overall, scoring 39.9 to 30.1 on the Noometry Index.

### Is Codestral or Step 3 better for coding?

Step 3 scores higher on coding benchmarks: 39.5 versus 26.9 in the Noometry coding category.

### How many benchmarks do Codestral and Step 3 share?

1 benchmark has published results for both models. Codestral has 7 scored results on Noometry and Step 3 has 17.