# C4ai Aya Expanse 32b vs Command R

> C4ai Aya Expanse 32b is the stronger model overall, scoring 35.3 to 31.0 on the Noometry Index.

- Canonical page: https://noometry.com/compare/c4ai-aya-expanse-32b-vs-command-r
- Last updated: 2026-10-10
- Shared benchmarks: 17

## Summary

- They share 17 benchmarks with published results for both. C4ai Aya Expanse 32b scores higher in 8 categories and Command R in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where C4ai Aya Expanse 32b leads 22.3 to 13.3.

## Snapshot

| | C4ai Aya Expanse 32b | Command R |
|---|---|---|
| Provider | Cohere | Cohere |
| Noometry Index | 35.3 | 31.0 |
| Rank | 216 | 267 |
| Context | 128K | 128K |
| Input $/M | — | $0.15 |
| Output $/M | — | $0.60 |
| Weights | Open | Open |

## Coding

- C4ai Aya Expanse 32b: 34.3 (#227)
- Command R: 28.8 (#301)

| Benchmark | C4ai Aya Expanse 32b | Command R |
|---|---|---|
| LMArena Coding | 1197 | 1170 |
| BigCodeBench Instruct | — | 37.1% |
| LiveBench Coding | — | 17.9% |
| BigCodeBench Complete | — | 45.2% |

## Reasoning

- C4ai Aya Expanse 32b: 22.3 (#183)
- Command R: 13.3 (#329)

| Benchmark | C4ai Aya Expanse 32b | Command R |
|---|---|---|
| LMArena Hard Prompts | 1193 | 1164 |
| LiveBench Reasoning | — | 21.9% |
| DTBench | — | 46.4% |
| LiveBench Data Analysis | — | 33.3% |
| LMCA | — | 9.2% |
| LiveBench | — | 27.5% |

## Math

- C4ai Aya Expanse 32b: 31.4 (#195)
- Command R: 25.8 (#244)

| Benchmark | C4ai Aya Expanse 32b | Command R |
|---|---|---|
| LMArena Math | 1200 | 1155 |
| LiveBench Math | — | 19.4% |

## Knowledge

- C4ai Aya Expanse 32b: 32.6 (#202)
- Command R: 30.5 (#219)

| Benchmark | C4ai Aya Expanse 32b | Command R |
|---|---|---|
| LMArena Expert | 1182 | 1138 |
| Vectara Hallucination Rate | 10.9% | — |
| MMLU | — | 65.2% |

## Multilingual

- C4ai Aya Expanse 32b: 38.5 (#225)
- Command R: 35.9 (#240)

| Benchmark | C4ai Aya Expanse 32b | Command R |
|---|---|---|
| LMArena Non-English | 1213 | 1174 |
| LMArena Chinese | 1210 | 1182 |
| LMArena French | 1247 | 1161 |
| LMArena German | 1199 | 1176 |
| LMArena Japanese | 1163 | 1143 |
| LMArena Korean | 1158 | 1162 |
| LMArena Russian | 1227 | 1174 |
| LMArena Spanish | 1193 | 1150 |

## Instruction Following

- C4ai Aya Expanse 32b: 62.9 (#232)
- Command R: 58.3 (#256)

| Benchmark | C4ai Aya Expanse 32b | Command R |
|---|---|---|
| LMArena Instruction Following | 1196 | 1167 |
| LiveBench Instruction Following | — | 55.6% |

## Long Context

- C4ai Aya Expanse 32b: 37.2 (#215)
- Command R: 36.3 (#226)

| Benchmark | C4ai Aya Expanse 32b | Command R |
|---|---|---|
| LMArena Longer Query | 1228 | 1198 |

## Writing & Preference

- C4ai Aya Expanse 32b: 42.4 (#230)
- Command R: 38.4 (#248)

| Benchmark | C4ai Aya Expanse 32b | Command R |
|---|---|---|
| LMArena Text | 1224 | 1187 |
| LMArena Creative Writing | 1200 | 1170 |
| LMArena Multi-Turn | 1190 | 1163 |
| LiveBench Language | — | 16.7% |

## FAQ

### Is C4ai Aya Expanse 32b better than Command R?

C4ai Aya Expanse 32b is the stronger model overall, scoring 35.3 to 31.0 on the Noometry Index.

### Is C4ai Aya Expanse 32b or Command R better for coding?

C4ai Aya Expanse 32b scores higher on coding benchmarks: 34.3 versus 28.8 in the Noometry coding category.

### Which has the bigger context window?

Both accept 128K tokens.

### How many benchmarks do C4ai Aya Expanse 32b and Command R share?

17 benchmarks have published results for both models. C4ai Aya Expanse 32b has 18 scored results on Noometry and Command R has 29.