Model comparison
C4ai Aya Expanse 8b vs Step 3
Step 3 is the stronger model overall, scoring 39.9 to 34.3 on the Noometry Index.
Last verified . 13 shared benchmarks.
Cohere
StepFunSummary
- They share 13 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 0 categories and Step 3 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Step 3 leads 54.5 to 39.2.
Side by side
| C4ai Aya Expanse 8b | Step 3 | |
|---|---|---|
| Provider | Cohere | StepFun |
| Noometry Index | 34.3 | 39.9 |
| Released | 2024-10-24 | — |
| Weights | Open | Open |
| Context window | 8K | — |
| Max output | 4K | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 15 | 17 |
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Category by category
Coding Step 3 leads
C4ai Aya Expanse 8b: 33.2 (#252), Step 3: 39.5 (#144)
| Benchmark | C4ai Aya Expanse 8b | Step 3 |
|---|---|---|
| LMArena Coding | 1161 | 1367 |
Reasoning Step 3 leads
C4ai Aya Expanse 8b: 21.4 (#198), Step 3: 27.6 (#102)
| Benchmark | C4ai Aya Expanse 8b | Step 3 |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1355 |
| Kagi LLM Benchmark | — | 62.3% |
Math Step 3 leads
C4ai Aya Expanse 8b: 30.8 (#204), Step 3: 34.9 (#148)
| Benchmark | C4ai Aya Expanse 8b | Step 3 |
|---|---|---|
| LMArena Math | 1168 | 1366 |
Knowledge Step 3 leads
C4ai Aya Expanse 8b: 33.0 (#197), Step 3: 36.2 (#161)
| Benchmark | C4ai Aya Expanse 8b | Step 3 |
|---|---|---|
| LMArena Expert | 1153 | 1333 |
| Vectara Hallucination Rate | 9.5% | — |
Multimodal Not comparable
C4ai Aya Expanse 8b: —, Step 3: 34.9 (#81)
| Benchmark | C4ai Aya Expanse 8b | Step 3 |
|---|---|---|
| LMArena Vision | — | 1176 |
Multilingual Step 3 leads
C4ai Aya Expanse 8b: 36.3 (#237), Step 3: 46.5 (#154)
| Benchmark | C4ai Aya Expanse 8b | Step 3 |
|---|---|---|
| LMArena Non-English | 1180 | 1327 |
| LMArena Chinese | 1181 | 1396 |
| LMArena German | 1188 | 1371 |
| LMArena Russian | 1197 | 1331 |
| LMArena Japanese | 1120 | — |
| LMArena Korean | — | 1271 |
| LMArena Spanish | — | 1372 |
Instruction Following Step 3 leads
C4ai Aya Expanse 8b: 60.4 (#248), Step 3: 70.6 (#159)
| Benchmark | C4ai Aya Expanse 8b | Step 3 |
|---|---|---|
| LMArena Instruction Following | 1155 | 1332 |
Long Context Step 3 leads
C4ai Aya Expanse 8b: 36.1 (#231), Step 3: 40.3 (#152)
| Benchmark | C4ai Aya Expanse 8b | Step 3 |
|---|---|---|
| LMArena Longer Query | 1192 | 1326 |
Writing & Preference Step 3 leads
C4ai Aya Expanse 8b: 39.2 (#245), Step 3: 54.5 (#146)
| Benchmark | C4ai Aya Expanse 8b | Step 3 |
|---|---|---|
| LMArena Text | 1185 | 1351 |
| LMArena Creative Writing | 1168 | 1322 |
| LMArena Multi-Turn | 1160 | 1340 |
Frequently asked questions
Is C4ai Aya Expanse 8b better than Step 3?
Step 3 is the stronger model overall, scoring 39.9 to 34.3 on the Noometry Index.
Is C4ai Aya Expanse 8b or Step 3 better for coding?
Step 3 scores higher on coding benchmarks: 39.5 versus 33.2 in the Noometry coding category.
How many benchmarks do C4ai Aya Expanse 8b and Step 3 share?
13 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Step 3 has 17.