# Codestral vs Step 2 16k Exp 202412

> Step 2 16k Exp 202412 is the stronger model overall, scoring 38.6 to 30.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/codestral-vs-step-2-16k-exp-202412
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where Step 2 16k Exp 202412 leads 37.9 to 26.9.
- Codestral has downloadable open weights; the other is API-only.

## Snapshot

| | Codestral | Step 2 16k Exp 202412 |
|---|---|---|
| Provider | Mistral AI | StepFun |
| Noometry Index | 30.1 | 38.6 |
| Rank | 287 | 173 |
| Context | 256K | — |
| Input $/M | $0.30 | — |
| Output $/M | $0.90 | — |
| Weights | Open | Proprietary |

## Coding

- Codestral: 26.9 (#316)
- Step 2 16k Exp 202412: 37.9 (#170)

| Benchmark | Codestral | Step 2 16k Exp 202412 |
|---|---|---|
| Aider Polyglot | 11.1% | — |
| BigCodeBench Instruct | 41.8% | — |
| LMArena Coding | — | 1316 |
| BigCodeBench Complete | 52.5% | — |
| ALE-Bench | 137.78 | — |
| HumanEval+ | 73.8% | — |
| MBPP+ | 61.9% | — |

## Reasoning

- Codestral: 19.1 (#244)
- Step 2 16k Exp 202412: 24.8 (#140)

| Benchmark | Codestral | Step 2 16k Exp 202412 |
|---|---|---|
| Kagi LLM Benchmark | 32.5% | — |
| LMArena Hard Prompts | — | 1299 |

## Math

- Codestral: —
- Step 2 16k Exp 202412: 33.6 (#171)

| Benchmark | Codestral | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | — | 1305 |

## Knowledge

- Codestral: —
- Step 2 16k Exp 202412: 34.6 (#187)

| Benchmark | Codestral | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | — | 1279 |

## Multilingual

- Codestral: —
- Step 2 16k Exp 202412: 43.9 (#176)

| Benchmark | Codestral | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Non-English | — | 1290 |
| LMArena Chinese | — | 1331 |
| LMArena Russian | — | 1324 |

## Instruction Following

- Codestral: —
- Step 2 16k Exp 202412: 68.1 (#187)

| Benchmark | Codestral | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | — | 1287 |

## Long Context

- Codestral: —
- Step 2 16k Exp 202412: 39.7 (#165)

| Benchmark | Codestral | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | — | 1307 |

## Writing & Preference

- Codestral: —
- Step 2 16k Exp 202412: 52.5 (#168)

| Benchmark | Codestral | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | — | 1321 |
| LMArena Creative Writing | — | 1328 |
| LMArena Multi-Turn | — | 1292 |

## FAQ

### Is Codestral better than Step 2 16k Exp 202412?

Step 2 16k Exp 202412 is the stronger model overall, scoring 38.6 to 30.1 on the Noometry Index.

### Is Codestral or Step 2 16k Exp 202412 better for coding?

Step 2 16k Exp 202412 scores higher on coding benchmarks: 37.9 versus 26.9 in the Noometry coding category.

### How many benchmarks do Codestral and Step 2 16k Exp 202412 share?

0 benchmarks have published results for both models. Codestral has 7 scored results on Noometry and Step 2 16k Exp 202412 has 12.