Model comparison
C4ai Aya Expanse 8b vs Mistral
C4ai Aya Expanse 8b is the stronger model overall, scoring 34.3 to 29.4 on the Noometry Index.
Last verified . 14 shared benchmarks.
Cohere
Mistral AISummary
- They share 14 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 7 categories and Mistral in 1 category; 6 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where C4ai Aya Expanse 8b leads 33.0 to 16.3.
- C4ai Aya Expanse 8b has downloadable open weights; the other is API-only.
Side by side
| C4ai Aya Expanse 8b | Mistral | |
|---|---|---|
| Provider | Cohere | Mistral AI |
| Noometry Index | 34.3 | 29.4 |
| Released | 2024-10-24 | — |
| Weights | Open | Proprietary |
| Context window | 8K | — |
| Max output | 4K | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 15 | 22 |
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Category by category
Coding Too close to call
C4ai Aya Expanse 8b: 33.2 (#252), Mistral: 33.2 (#249)
| Benchmark | C4ai Aya Expanse 8b | Mistral |
|---|---|---|
| LMArena Coding | 1161 | 1162 |
Reasoning Too close to call
C4ai Aya Expanse 8b: 21.4 (#198), Mistral: 21.3 (#199)
| Benchmark | C4ai Aya Expanse 8b | Mistral |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1149 |
Math C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 30.8 (#204), Mistral: 20.5 (#275)
| Benchmark | C4ai Aya Expanse 8b | Mistral |
|---|---|---|
| LMArena Math | 1168 | 1180 |
| Omni-MATH | — | 7.2% |
Knowledge C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 33.0 (#197), Mistral: 16.3 (#283)
| Benchmark | C4ai Aya Expanse 8b | Mistral |
|---|---|---|
| LMArena Expert | 1153 | 1125 |
| MMLU-Pro | — | 27.7% |
| Vectara Hallucination Rate | 9.5% | — |
| GPQA (HELM) | — | 30.3% |
Multilingual C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 36.3 (#237), Mistral: 33.0 (#249)
| Benchmark | C4ai Aya Expanse 8b | Mistral |
|---|---|---|
| LMArena Non-English | 1180 | 1129 |
| LMArena Chinese | 1181 | 1109 |
| LMArena German | 1188 | 1155 |
| LMArena Japanese | 1120 | 1012 |
| LMArena Russian | 1197 | 1168 |
| LMArena French | — | 1179 |
| LMArena Korean | — | 1032 |
| LMArena Spanish | — | 1143 |
Instruction Following C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 60.4 (#248), Mistral: 52.9 (#283)
| Benchmark | C4ai Aya Expanse 8b | Mistral |
|---|---|---|
| LMArena Instruction Following | 1155 | 1152 |
| IFEval | — | 56.8% |
Long Context C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 36.1 (#231), Mistral: 35.0 (#240)
| Benchmark | C4ai Aya Expanse 8b | Mistral |
|---|---|---|
| LMArena Longer Query | 1192 | 1154 |
Writing & Preference C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 39.2 (#245), Mistral: 37.2 (#255)
| Benchmark | C4ai Aya Expanse 8b | Mistral |
|---|---|---|
| LMArena Text | 1185 | 1165 |
| LMArena Creative Writing | 1168 | 1158 |
| LMArena Multi-Turn | 1160 | 1147 |
| WildBench | — | 66% |
Frequently asked questions
Is C4ai Aya Expanse 8b better than Mistral?
C4ai Aya Expanse 8b is the stronger model overall, scoring 34.3 to 29.4 on the Noometry Index.
Is C4ai Aya Expanse 8b or Mistral better for coding?
They score almost the same on coding (33.2 vs 33.2); test both on your own repository before choosing.
How many benchmarks do C4ai Aya Expanse 8b and Mistral share?
14 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Mistral has 22.