# C4ai Aya Expanse 32b vs Devstral Small 2505

> C4ai Aya Expanse 32b is the stronger model overall, scoring 35.9 to 34.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/c4ai-aya-expanse-32b-vs-devstral-small
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in coding, where Devstral Small 2505 leads 38.9 to 34.8.

## Snapshot

| | C4ai Aya Expanse 32b | Devstral Small 2505 |
|---|---|---|
| Provider | Cohere | Mistral AI |
| Noometry Index | 35.9 | 34.3 |
| Rank | 221 | 233 |
| Context | 128K | 128K |
| Input $/M | — | $0.10 |
| Output $/M | — | $0.30 |
| Weights | Open | Open |

## Coding

- C4ai Aya Expanse 32b: 34.8 (#231)
- Devstral Small 2505: 38.9 (#166)

| Benchmark | C4ai Aya Expanse 32b | Devstral Small 2505 |
|---|---|---|
| SWE-bench Verified (bash only) | — | 56.4% |
| SciCode | — | 28.8% |
| LMArena Coding | 1197 | — |

## Reasoning

- C4ai Aya Expanse 32b: 23.3 (#180)
- Devstral Small 2505: 19.7 (#252)

| Benchmark | C4ai Aya Expanse 32b | Devstral Small 2505 |
|---|---|---|
| Kagi LLM Benchmark | — | 37.7% |
| CritPt | — | 0% |
| LMArena Hard Prompts | 1193 | — |

## Math

- C4ai Aya Expanse 32b: 34.0 (#197)
- Devstral Small 2505: —

| Benchmark | C4ai Aya Expanse 32b | Devstral Small 2505 |
|---|---|---|
| LMArena Math | 1200 | — |

## Knowledge

- C4ai Aya Expanse 32b: 33.2 (#206)
- Devstral Small 2505: —

| Benchmark | C4ai Aya Expanse 32b | Devstral Small 2505 |
|---|---|---|
| Vectara Hallucination Rate | 10.9% | — |
| LMArena Expert | 1182 | — |

## Multilingual

- C4ai Aya Expanse 32b: 38.4 (#230)
- Devstral Small 2505: —

| Benchmark | C4ai Aya Expanse 32b | Devstral Small 2505 |
|---|---|---|
| LMArena Non-English | 1213 | — |
| LMArena Chinese | 1211 | — |
| LMArena French | 1248 | — |
| LMArena German | 1199 | — |
| LMArena Japanese | 1163 | — |
| LMArena Korean | 1158 | — |
| LMArena Russian | 1227 | — |
| LMArena Spanish | 1193 | — |

## Instruction Following

- C4ai Aya Expanse 32b: 62.6 (#237)
- Devstral Small 2505: —

| Benchmark | C4ai Aya Expanse 32b | Devstral Small 2505 |
|---|---|---|
| LMArena Instruction Following | 1196 | — |

## Long Context

- C4ai Aya Expanse 32b: 37.2 (#220)
- Devstral Small 2505: —

| Benchmark | C4ai Aya Expanse 32b | Devstral Small 2505 |
|---|---|---|
| LMArena Longer Query | 1228 | — |

## Writing & Preference

- C4ai Aya Expanse 32b: 42.2 (#235)
- Devstral Small 2505: —

| Benchmark | C4ai Aya Expanse 32b | Devstral Small 2505 |
|---|---|---|
| LMArena Text | 1224 | — |
| LMArena Creative Writing | 1200 | — |
| LMArena Multi-Turn | 1190 | — |

## FAQ

### Is C4ai Aya Expanse 32b better than Devstral Small 2505?

C4ai Aya Expanse 32b is the stronger model overall, scoring 35.9 to 34.3 on the Noometry Index.

### Is C4ai Aya Expanse 32b or Devstral Small 2505 better for coding?

Devstral Small 2505 scores higher on coding benchmarks: 38.9 versus 34.8 in the Noometry coding category.

### Which has the bigger context window?

Both accept 128K tokens.

### How many benchmarks do C4ai Aya Expanse 32b and Devstral Small 2505 share?

0 benchmarks have published results for both models. C4ai Aya Expanse 32b has 18 scored results on Noometry and Devstral Small 2505 has 4.