Model comparison
C4ai Aya Expanse 8b vs Mistral Medium 3.5
Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 34.9 on the Noometry Index.
Last verified . 13 shared benchmarks.
Cohere
Mistral AISummary
- They share 13 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 1 category and Mistral Medium 3.5 in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Mistral Medium 3.5 leads 58.5 to 39.0.
Side by side
| C4ai Aya Expanse 8b | Mistral Medium 3.5 | |
|---|---|---|
| Provider | Cohere | Mistral AI |
| Noometry Index | 34.9 | 40.2 |
| Released | — | — |
| Weights | Open | Open |
| Context window | — | 262K |
| Max output | — | 210K |
| Input $ / M tokens | — | $1.50 |
| Output $ / M tokens | — | $7.50 |
| Results tracked | 15 | 22 |
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Category by category
Coding Mistral Medium 3.5 leads
C4ai Aya Expanse 8b: 33.8 (#252), Mistral Medium 3.5: 36.0 (#213)
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.5 |
|---|---|---|
| LMArena Coding | 1160 | 1461 |
| LMArena WebDev | — | 1264 |
Reasoning C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 22.4 (#197), Mistral Medium 3.5: 17.3 (#295)
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.5 |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1436 |
| Kagi LLM Benchmark | — | 41.4% |
| NYT Connections (extended) | — | 12.9% |
| Epoch Capabilities Index | — | 141.35 |
Math Mistral Medium 3.5 leads
C4ai Aya Expanse 8b: 33.3 (#203), Mistral Medium 3.5: 39.1 (#113)
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.5 |
|---|---|---|
| LMArena Math | 1168 | 1431 |
Knowledge Mistral Medium 3.5 leads
C4ai Aya Expanse 8b: 33.6 (#201), Mistral Medium 3.5: 40.0 (#126)
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.5 |
|---|---|---|
| LMArena Expert | 1153 | 1432 |
| Vectara Hallucination Rate | 9.5% | — |
Multimodal Not comparable
C4ai Aya Expanse 8b: —, Mistral Medium 3.5: 38.3 (#65)
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.5 |
|---|---|---|
| LMArena Vision | — | 1223 |
Multilingual Mistral Medium 3.5 leads
C4ai Aya Expanse 8b: 36.1 (#242), Mistral Medium 3.5: 51.9 (#100)
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.5 |
|---|---|---|
| LMArena Non-English | 1180 | 1404 |
| LMArena Chinese | 1181 | 1442 |
| LMArena German | 1188 | 1451 |
| LMArena Russian | 1197 | 1395 |
| LMArena French | — | 1448 |
| LMArena Japanese | 1120 | — |
| LMArena Korean | — | 1385 |
| LMArena Spanish | — | 1409 |
Instruction Following Mistral Medium 3.5 leads
C4ai Aya Expanse 8b: 60.1 (#253), Mistral Medium 3.5: 74.6 (#90)
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.5 |
|---|---|---|
| LMArena Instruction Following | 1155 | 1415 |
Long Context Mistral Medium 3.5 leads
C4ai Aya Expanse 8b: 36.1 (#236), Mistral Medium 3.5: 43.2 (#103)
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.5 |
|---|---|---|
| LMArena Longer Query | 1191 | 1415 |
Writing & Preference Mistral Medium 3.5 leads
C4ai Aya Expanse 8b: 39.0 (#250), Mistral Medium 3.5: 58.5 (#117)
| Benchmark | C4ai Aya Expanse 8b | Mistral Medium 3.5 |
|---|---|---|
| LMArena Text | 1185 | 1421 |
| LMArena Creative Writing | 1168 | 1374 |
| LMArena Multi-Turn | 1160 | 1423 |
| EQ-Bench 4 | — | 993 |
Frequently asked questions
Is C4ai Aya Expanse 8b better than Mistral Medium 3.5?
Mistral Medium 3.5 is the stronger model overall, scoring 40.2 to 34.9 on the Noometry Index.
Is C4ai Aya Expanse 8b or Mistral Medium 3.5 better for coding?
Mistral Medium 3.5 scores higher on coding benchmarks: 36.0 versus 33.8 in the Noometry coding category.
How many benchmarks do C4ai Aya Expanse 8b and Mistral Medium 3.5 share?
13 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Mistral Medium 3.5 has 22.