# C4ai Aya Expanse 8b vs DBRX

> C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 29.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/c4ai-aya-expanse-8b-vs-dbrx
- 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 8 categories and DBRX in 0 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where C4ai Aya Expanse 8b leads 33.6 to 14.9.

## Snapshot

| | C4ai Aya Expanse 8b | DBRX |
|---|---|---|
| Provider | Cohere | Databricks |
| Noometry Index | 34.9 | 29.4 |
| Rank | 229 | 311 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Open | Open |

## Coding

- C4ai Aya Expanse 8b: 33.8 (#252)
- DBRX: 32.9 (#266)

| Benchmark | C4ai Aya Expanse 8b | DBRX |
|---|---|---|
| LMArena Coding | 1160 | 1132 |
| HumanEval+ | — | 70.1% |
| MBPP+ | — | 55.8% |

## Reasoning

- C4ai Aya Expanse 8b: 22.4 (#197)
- DBRX: 21.4 (#222)

| Benchmark | C4ai Aya Expanse 8b | DBRX |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1113 |

## Math

- C4ai Aya Expanse 8b: 33.3 (#203)
- DBRX: 24.3 (#269)

| Benchmark | C4ai Aya Expanse 8b | DBRX |
|---|---|---|
| LMArena Math | 1168 | 1145 |
| MATH Level 5 | — | 11.7% |

## Knowledge

- C4ai Aya Expanse 8b: 33.6 (#201)
- DBRX: 14.9 (#294)

| Benchmark | C4ai Aya Expanse 8b | DBRX |
|---|---|---|
| LMArena Expert | 1153 | 1076 |
| GPQA Diamond | — | 32.9% |
| Vectara Hallucination Rate | 9.5% | — |

## Multilingual

- C4ai Aya Expanse 8b: 36.1 (#242)
- DBRX: 29.3 (#268)

| Benchmark | C4ai Aya Expanse 8b | DBRX |
|---|---|---|
| LMArena Non-English | 1180 | 1071 |
| LMArena Chinese | 1181 | 1068 |
| LMArena German | 1188 | 1057 |
| LMArena Japanese | 1120 | 990 |
| LMArena Russian | 1197 | 1078 |
| LMArena French | — | 1096 |
| LMArena Korean | — | 993 |
| LMArena Spanish | — | 1064 |

## Instruction Following

- C4ai Aya Expanse 8b: 60.1 (#253)
- DBRX: 57.5 (#270)

| Benchmark | C4ai Aya Expanse 8b | DBRX |
|---|---|---|
| LMArena Instruction Following | 1155 | 1112 |

## Long Context

- C4ai Aya Expanse 8b: 36.1 (#236)
- DBRX: 33.7 (#258)

| Benchmark | C4ai Aya Expanse 8b | DBRX |
|---|---|---|
| LMArena Longer Query | 1191 | 1112 |

## Writing & Preference

- C4ai Aya Expanse 8b: 39.0 (#250)
- DBRX: 33.6 (#275)

| Benchmark | C4ai Aya Expanse 8b | DBRX |
|---|---|---|
| LMArena Text | 1185 | 1119 |
| LMArena Creative Writing | 1168 | 1104 |
| LMArena Multi-Turn | 1160 | 1111 |

## FAQ

### Is C4ai Aya Expanse 8b better than DBRX?

C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 29.4 on the Noometry Index.

### Is C4ai Aya Expanse 8b or DBRX better for coding?

They score almost the same on coding (33.8 vs 32.9); test both on your own repository before choosing.

### How many benchmarks do C4ai Aya Expanse 8b and DBRX share?

14 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and DBRX has 21.