Model comparison
C4ai Aya Expanse 8b vs Nvidia Llama 3.3 Nemotron Super 49b v1.5
Nvidia Llama 3.3 Nemotron Super 49b v1.5 is the stronger model overall, scoring 40.3 to 34.9 on the Noometry Index.
Last verified . 12 shared benchmarks.
Cohere
NVIDIASummary
- They share 12 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 0 categories and Nvidia Llama 3.3 Nemotron Super 49b v1.5 in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Nvidia Llama 3.3 Nemotron Super 49b v1.5 leads 53.1 to 39.0.
Side by side
| C4ai Aya Expanse 8b | Nvidia Llama 3.3 Nemotron Super 49b v1.5 | |
|---|---|---|
| Provider | Cohere | NVIDIA |
| Noometry Index | 34.9 | 40.3 |
| Released | — | 2025-07-25 |
| Weights | Open | Open |
| Context window | — | 131K |
| Max output | — | 131K |
| Input $ / M tokens | — | $0.40 |
| Output $ / M tokens | — | $0.40 |
| Results tracked | 15 | 12 |
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Category by category
Coding Nvidia Llama 3.3 Nemotron Super 49b v1.5 leads
C4ai Aya Expanse 8b: 33.8 (#252), Nvidia Llama 3.3 Nemotron Super 49b v1.5: 39.8 (#154)
| Benchmark | C4ai Aya Expanse 8b | Nvidia Llama 3.3 Nemotron Super 49b v1.5 |
|---|---|---|
| LMArena Coding | 1160 | 1355 |
Reasoning Nvidia Llama 3.3 Nemotron Super 49b v1.5 leads
C4ai Aya Expanse 8b: 22.4 (#197), Nvidia Llama 3.3 Nemotron Super 49b v1.5: 26.8 (#128)
| Benchmark | C4ai Aya Expanse 8b | Nvidia Llama 3.3 Nemotron Super 49b v1.5 |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1336 |
Math Nvidia Llama 3.3 Nemotron Super 49b v1.5 leads
C4ai Aya Expanse 8b: 33.3 (#203), Nvidia Llama 3.3 Nemotron Super 49b v1.5: 38.2 (#141)
| Benchmark | C4ai Aya Expanse 8b | Nvidia Llama 3.3 Nemotron Super 49b v1.5 |
|---|---|---|
| LMArena Math | 1168 | 1392 |
Knowledge Nvidia Llama 3.3 Nemotron Super 49b v1.5 leads
C4ai Aya Expanse 8b: 33.6 (#201), Nvidia Llama 3.3 Nemotron Super 49b v1.5: 36.7 (#165)
| Benchmark | C4ai Aya Expanse 8b | Nvidia Llama 3.3 Nemotron Super 49b v1.5 |
|---|---|---|
| LMArena Expert | 1153 | 1330 |
| Vectara Hallucination Rate | 9.5% | — |
Multilingual Nvidia Llama 3.3 Nemotron Super 49b v1.5 leads
C4ai Aya Expanse 8b: 36.1 (#242), Nvidia Llama 3.3 Nemotron Super 49b v1.5: 45.5 (#168)
| Benchmark | C4ai Aya Expanse 8b | Nvidia Llama 3.3 Nemotron Super 49b v1.5 |
|---|---|---|
| LMArena Non-English | 1180 | 1316 |
| LMArena Japanese | 1120 | 1300 |
| LMArena Russian | 1197 | 1332 |
| LMArena Chinese | 1181 | — |
| LMArena German | 1188 | — |
Instruction Following Nvidia Llama 3.3 Nemotron Super 49b v1.5 leads
C4ai Aya Expanse 8b: 60.1 (#253), Nvidia Llama 3.3 Nemotron Super 49b v1.5: 68.6 (#188)
| Benchmark | C4ai Aya Expanse 8b | Nvidia Llama 3.3 Nemotron Super 49b v1.5 |
|---|---|---|
| LMArena Instruction Following | 1155 | 1299 |
Long Context Nvidia Llama 3.3 Nemotron Super 49b v1.5 leads
C4ai Aya Expanse 8b: 36.1 (#236), Nvidia Llama 3.3 Nemotron Super 49b v1.5: 40.0 (#164)
| Benchmark | C4ai Aya Expanse 8b | Nvidia Llama 3.3 Nemotron Super 49b v1.5 |
|---|---|---|
| LMArena Longer Query | 1191 | 1315 |
Writing & Preference Nvidia Llama 3.3 Nemotron Super 49b v1.5 leads
C4ai Aya Expanse 8b: 39.0 (#250), Nvidia Llama 3.3 Nemotron Super 49b v1.5: 53.1 (#159)
| Benchmark | C4ai Aya Expanse 8b | Nvidia Llama 3.3 Nemotron Super 49b v1.5 |
|---|---|---|
| LMArena Text | 1185 | 1338 |
| LMArena Creative Writing | 1168 | 1307 |
| LMArena Multi-Turn | 1160 | 1334 |
Frequently asked questions
Is C4ai Aya Expanse 8b better than Nvidia Llama 3.3 Nemotron Super 49b v1.5?
Nvidia Llama 3.3 Nemotron Super 49b v1.5 is the stronger model overall, scoring 40.3 to 34.9 on the Noometry Index.
Is C4ai Aya Expanse 8b or Nvidia Llama 3.3 Nemotron Super 49b v1.5 better for coding?
Nvidia Llama 3.3 Nemotron Super 49b v1.5 scores higher on coding benchmarks: 39.8 versus 33.8 in the Noometry coding category.
How many benchmarks do C4ai Aya Expanse 8b and Nvidia Llama 3.3 Nemotron Super 49b v1.5 share?
12 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Nvidia Llama 3.3 Nemotron Super 49b v1.5 has 12.