# C4ai Aya Expanse 8b vs Deepseek Coder v2

> Deepseek Coder v2 is the stronger model overall, scoring 35.3 to 34.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/c4ai-aya-expanse-8b-vs-deepseek-coder-v2
- Last updated: 2026-10-10
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 2 categories and Deepseek Coder v2 in 6 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in coding, where Deepseek Coder v2 leads 37.5 to 33.2.

## Snapshot

| | C4ai Aya Expanse 8b | Deepseek Coder v2 |
|---|---|---|
| Provider | Cohere | DeepSeek |
| Noometry Index | 34.3 | 35.3 |
| Rank | 227 | 217 |
| Context | 8K | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- C4ai Aya Expanse 8b: 33.2 (#252)
- Deepseek Coder v2: 37.5 (#178)

| Benchmark | C4ai Aya Expanse 8b | Deepseek Coder v2 |
|---|---|---|
| LMArena Coding | 1161 | 1251 |
| BigCodeBench Instruct | — | 48.2% |
| BigCodeBench Complete | — | 59.7% |
| HumanEval+ | — | 82.3% |
| MBPP+ | — | 75.1% |

## Reasoning

- C4ai Aya Expanse 8b: 21.4 (#198)
- Deepseek Coder v2: 22.6 (#175)

| Benchmark | C4ai Aya Expanse 8b | Deepseek Coder v2 |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1207 |
| WinoGrande | — | 83.7% |

## Math

- C4ai Aya Expanse 8b: 30.8 (#204)
- Deepseek Coder v2: 32.3 (#188)

| Benchmark | C4ai Aya Expanse 8b | Deepseek Coder v2 |
|---|---|---|
| LMArena Math | 1168 | 1241 |
| GSM8K | — | 94.5% |

## Knowledge

- C4ai Aya Expanse 8b: 33.0 (#197)
- Deepseek Coder v2: 31.7 (#209)

| Benchmark | C4ai Aya Expanse 8b | Deepseek Coder v2 |
|---|---|---|
| LMArena Expert | 1153 | 1181 |
| Vectara Hallucination Rate | 9.5% | — |
| ARC (AI2) Challenge | — | 64.3% |

## Multilingual

- C4ai Aya Expanse 8b: 36.3 (#237)
- Deepseek Coder v2: 36.4 (#235)

| Benchmark | C4ai Aya Expanse 8b | Deepseek Coder v2 |
|---|---|---|
| LMArena Non-English | 1180 | 1182 |
| LMArena Chinese | 1181 | 1201 |
| LMArena German | 1188 | 1164 |
| LMArena Japanese | 1120 | 1126 |
| LMArena Russian | 1197 | 1188 |
| LMArena French | — | 1184 |
| LMArena Korean | — | 1104 |
| LMArena Spanish | — | 1153 |

## Instruction Following

- C4ai Aya Expanse 8b: 60.4 (#248)
- Deepseek Coder v2: 61.9 (#237)

| Benchmark | C4ai Aya Expanse 8b | Deepseek Coder v2 |
|---|---|---|
| LMArena Instruction Following | 1155 | 1180 |

## Long Context

- C4ai Aya Expanse 8b: 36.1 (#231)
- Deepseek Coder v2: 37.0 (#219)

| Benchmark | C4ai Aya Expanse 8b | Deepseek Coder v2 |
|---|---|---|
| LMArena Longer Query | 1192 | 1219 |

## Writing & Preference

- C4ai Aya Expanse 8b: 39.2 (#245)
- Deepseek Coder v2: 38.4 (#249)

| Benchmark | C4ai Aya Expanse 8b | Deepseek Coder v2 |
|---|---|---|
| LMArena Text | 1185 | 1191 |
| LMArena Creative Writing | 1168 | 1120 |
| LMArena Multi-Turn | 1160 | 1176 |

## FAQ

### Is C4ai Aya Expanse 8b better than Deepseek Coder v2?

Deepseek Coder v2 is the stronger model overall, scoring 35.3 to 34.3 on the Noometry Index.

### Is C4ai Aya Expanse 8b or Deepseek Coder v2 better for coding?

Deepseek Coder v2 scores higher on coding benchmarks: 37.5 versus 33.2 in the Noometry coding category.

### How many benchmarks do C4ai Aya Expanse 8b and Deepseek Coder v2 share?

14 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Deepseek Coder v2 has 24.