Model comparison
C4ai Aya Expanse 8b vs Mistral Medium 3.1
C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 31.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
Cohere
Mistral AISummary
- The widest gap is in writing & preference, where Mistral Medium 3.1 leads 55.5 to 39.0.
- C4ai Aya Expanse 8b has downloadable open weights; the other is API-only.
Side by side
| C4ai Aya Expanse 8b | Mistral Medium 3.1 | |
|---|---|---|
| Provider | Cohere | Mistral AI |
| Noometry Index | 34.9 | 31.9 |
| Released | — | — |
| Weights | Open | Proprietary |
| Context window | — | 131K |
| Max output | — | 105K |
| Input $ / M tokens | — | $0.40 |
| Output $ / M tokens | — | $2 |
| Results tracked | 15 | 3 |
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Category by category
Coding Not comparable
C4ai Aya Expanse 8b: 33.8 (#252), Mistral Medium 3.1: —
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.1 |
|---|---|---|
| LMArena Coding | 1160 | — |
Reasoning C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 22.4 (#197), Mistral Medium 3.1: 10.6 (#341)
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.1 |
|---|---|---|
| NYT Connections (extended) | — | 6.5% |
| Thematic Generalization | — | 20.3% |
| LMArena Hard Prompts | 1156 | — |
Math Not comparable
C4ai Aya Expanse 8b: 33.3 (#203), Mistral Medium 3.1: —
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.1 |
|---|---|---|
| LMArena Math | 1168 | — |
Knowledge Not comparable
C4ai Aya Expanse 8b: 33.6 (#201), Mistral Medium 3.1: —
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.1 |
|---|---|---|
| Vectara Hallucination Rate | 9.5% | — |
| LMArena Expert | 1153 | — |
Multilingual Not comparable
C4ai Aya Expanse 8b: 36.1 (#242), Mistral Medium 3.1: —
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.1 |
|---|---|---|
| LMArena Non-English | 1180 | — |
| LMArena Chinese | 1181 | — |
| LMArena German | 1188 | — |
| LMArena Japanese | 1120 | — |
| LMArena Russian | 1197 | — |
Instruction Following Not comparable
C4ai Aya Expanse 8b: 60.1 (#253), Mistral Medium 3.1: —
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.1 |
|---|---|---|
| LMArena Instruction Following | 1155 | — |
Long Context Not comparable
C4ai Aya Expanse 8b: 36.1 (#236), Mistral Medium 3.1: —
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.1 |
|---|---|---|
| LMArena Longer Query | 1191 | — |
Writing & Preference Mistral Medium 3.1 leads
C4ai Aya Expanse 8b: 39.0 (#250), Mistral Medium 3.1: 55.5 (#145)
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.1 |
|---|---|---|
| LMArena Text | 1185 | — |
| LMArena Creative Writing | 1168 | — |
| EQ-Bench Creative Writing | — | 1476 |
| LMArena Multi-Turn | 1160 | — |
Frequently asked questions
Is C4ai Aya Expanse 8b better than Mistral Medium 3.1?
C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 31.9 on the Noometry Index.
How many benchmarks do C4ai Aya Expanse 8b and Mistral Medium 3.1 share?
0 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Mistral Medium 3.1 has 3.