Model comparison
C4ai Aya Expanse 8b vs StarCoder 2 15B
C4ai Aya Expanse 8b has enough public results to be ranked (#229); StarCoder 2 15B does not yet, so treat this comparison as directional.
Last verified . 0 shared benchmarks.
Cohere
NVIDIASide by side
| C4ai Aya Expanse 8b | StarCoder 2 15B | |
|---|---|---|
| Provider | Cohere | NVIDIA |
| Noometry Index | 34.9 | 38.1 |
| Released | — | 2024-02-20 |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 15 | 7 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding StarCoder 2 15B leads
C4ai Aya Expanse 8b: 33.8 (#252), StarCoder 2 15B: 36.6
| Benchmark | C4ai Aya Expanse 8b | StarCoder 2 15B |
|---|---|---|
| LMArena Coding | 1160 | — |
| BigCodeBench Complete | — | 38.4% |
| HumanEval+ | — | 37.8% |
Reasoning Not comparable
C4ai Aya Expanse 8b: 22.4 (#197), StarCoder 2 15B: —
| Benchmark | C4ai Aya Expanse 8b | StarCoder 2 15B |
|---|---|---|
| LMArena Hard Prompts | 1156 | — |
| Epoch Capabilities Index | — | 105 |
| WinoGrande | — | 64.3% |
Math Not comparable
C4ai Aya Expanse 8b: 33.3 (#203), StarCoder 2 15B: —
| Benchmark | C4ai Aya Expanse 8b | StarCoder 2 15B |
|---|---|---|
| LMArena Math | 1168 | — |
| GSM8K | — | 57.7% |
Knowledge Not comparable
C4ai Aya Expanse 8b: 33.6 (#201), StarCoder 2 15B: —
| Benchmark | C4ai Aya Expanse 8b | StarCoder 2 15B |
|---|---|---|
| Vectara Hallucination Rate | 9.5% | — |
| LMArena Expert | 1153 | — |
| ARC (AI2) Challenge | — | 47.2% |
| MMLU | — | 64.1% |
Multilingual Not comparable
C4ai Aya Expanse 8b: 36.1 (#242), StarCoder 2 15B: —
| Benchmark | C4ai Aya Expanse 8b | StarCoder 2 15B |
|---|---|---|
| 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), StarCoder 2 15B: —
| Benchmark | C4ai Aya Expanse 8b | StarCoder 2 15B |
|---|---|---|
| LMArena Instruction Following | 1155 | — |
Long Context Not comparable
C4ai Aya Expanse 8b: 36.1 (#236), StarCoder 2 15B: —
| Benchmark | C4ai Aya Expanse 8b | StarCoder 2 15B |
|---|---|---|
| LMArena Longer Query | 1191 | — |
Writing & Preference Not comparable
C4ai Aya Expanse 8b: 39.0 (#250), StarCoder 2 15B: —
| Benchmark | C4ai Aya Expanse 8b | StarCoder 2 15B |
|---|---|---|
| LMArena Text | 1185 | — |
| LMArena Creative Writing | 1168 | — |
| LMArena Multi-Turn | 1160 | — |
Frequently asked questions
Is C4ai Aya Expanse 8b better than StarCoder 2 15B?
C4ai Aya Expanse 8b has enough public results to be ranked (#229); StarCoder 2 15B does not yet, so treat this comparison as directional.
Is C4ai Aya Expanse 8b or StarCoder 2 15B better for coding?
StarCoder 2 15B scores higher on coding benchmarks: 36.6 versus 33.8 in the Noometry coding category.
How many benchmarks do C4ai Aya Expanse 8b and StarCoder 2 15B share?
0 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and StarCoder 2 15B has 7.