Model comparison
C4ai Aya Expanse 8b vs Claude 2.1
C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 25.2 on the Noometry Index.
Last verified . 0 shared benchmarks.
CohereSummary
- The widest gap is in math, where C4ai Aya Expanse 8b leads 33.3 to 10.2.
- C4ai Aya Expanse 8b has downloadable open weights; the other is API-only.
Side by side
| C4ai Aya Expanse 8b | Claude 2.1 | |
|---|---|---|
| Provider | Cohere | Anthropic |
| Noometry Index | 34.9 | 25.2 |
| Released | — | 2023-11-21 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 15 | 7 |
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Category by category
Coding C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 33.8 (#252), Claude 2.1: 26.2 (#327)
| Benchmark | C4ai Aya Expanse 8b | Claude 2.1 |
|---|---|---|
| WeirdML | — | 7.1% |
| LMArena Coding | 1160 | — |
Reasoning Too close to call
C4ai Aya Expanse 8b: 22.4 (#197), Claude 2.1: 21.4 (#221)
| Benchmark | C4ai Aya Expanse 8b | Claude 2.1 |
|---|---|---|
| LMArena Hard Prompts | 1156 | — |
| DTBench | — | 51% |
| Epoch Capabilities Index | — | 119.27 |
| ForecastBench | — | 54.2 |
Math C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 33.3 (#203), Claude 2.1: 10.2 (#315)
| Benchmark | C4ai Aya Expanse 8b | Claude 2.1 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 1.9% |
| LMArena Math | 1168 | — |
Knowledge C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 33.6 (#201), Claude 2.1: 15.4 (#292)
| Benchmark | C4ai Aya Expanse 8b | Claude 2.1 |
|---|---|---|
| GPQA Diamond | — | 33% |
| Vectara Hallucination Rate | 9.5% | — |
| LMArena Expert | 1153 | — |
| MMLU | — | 73.5% |
Multilingual Not comparable
C4ai Aya Expanse 8b: 36.1 (#242), Claude 2.1: —
| Benchmark | C4ai Aya Expanse 8b | Claude 2.1 |
|---|---|---|
| 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), Claude 2.1: —
| Benchmark | C4ai Aya Expanse 8b | Claude 2.1 |
|---|---|---|
| LMArena Instruction Following | 1155 | — |
Long Context Not comparable
C4ai Aya Expanse 8b: 36.1 (#236), Claude 2.1: —
| Benchmark | C4ai Aya Expanse 8b | Claude 2.1 |
|---|---|---|
| LMArena Longer Query | 1191 | — |
Writing & Preference Not comparable
C4ai Aya Expanse 8b: 39.0 (#250), Claude 2.1: —
| Benchmark | C4ai Aya Expanse 8b | Claude 2.1 |
|---|---|---|
| LMArena Text | 1185 | — |
| LMArena Creative Writing | 1168 | — |
| LMArena Multi-Turn | 1160 | — |
Frequently asked questions
Is C4ai Aya Expanse 8b better than Claude 2.1?
C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 25.2 on the Noometry Index.
Is C4ai Aya Expanse 8b or Claude 2.1 better for coding?
C4ai Aya Expanse 8b scores higher on coding benchmarks: 33.8 versus 26.2 in the Noometry coding category.
How many benchmarks do C4ai Aya Expanse 8b and Claude 2.1 share?
0 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Claude 2.1 has 7.