Model comparison
C4ai Aya Expanse 8b vs Gemma 2 27B
C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 29.4 on the Noometry Index.
Last verified . 14 shared benchmarks.
Cohere
GoogleSummary
- They share 14 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 3 categories and Gemma 2 27B in 5 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in math, where C4ai Aya Expanse 8b leads 33.3 to 10.7.
Side by side
| C4ai Aya Expanse 8b | Gemma 2 27B | |
|---|---|---|
| Provider | Cohere | |
| Noometry Index | 34.9 | 29.4 |
| Released | — | 2024-06-24 |
| Weights | Open | Open |
| Context window | — | 8K |
| Max output | — | 2K |
| Input $ / M tokens | — | $0.65 |
| Output $ / M tokens | — | $0.65 |
| Results tracked | 15 | 34 |
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Category by category
Coding Too close to call
C4ai Aya Expanse 8b: 33.8 (#252), Gemma 2 27B: 34.1 (#246)
| Benchmark | C4ai Aya Expanse 8b | Gemma 2 27B |
|---|---|---|
| LMArena Coding | 1160 | 1211 |
| BigCodeBench Instruct | — | 42.8% |
| LiveBench Coding | — | 36% |
| BigCodeBench Complete | — | 52.5% |
Reasoning C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 22.4 (#197), Gemma 2 27B: 15.3 (#315)
| Benchmark | C4ai Aya Expanse 8b | Gemma 2 27B |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1198 |
| LiveBench Reasoning | — | 28.1% |
| DTBench | — | 48% |
| LiveBench Data Analysis | — | 47.9% |
| LMCA | — | 7.1% |
| Epoch Capabilities Index | — | 122.08 |
| LiveBench | — | 38.2% |
Math C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 33.3 (#203), Gemma 2 27B: 10.7 (#311)
| Benchmark | C4ai Aya Expanse 8b | Gemma 2 27B |
|---|---|---|
| LMArena Math | 1168 | 1212 |
| OTIS Mock AIME 2024-2025 | — | 1.4% |
| LiveBench Math | — | 26.5% |
| MATH Level 5 | — | 27.9% |
Knowledge C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 33.6 (#201), Gemma 2 27B: 19.0 (#280)
| Benchmark | C4ai Aya Expanse 8b | Gemma 2 27B |
|---|---|---|
| LMArena Expert | 1153 | 1172 |
| GPQA Diamond | — | 36.5% |
| Confabulations | — | 27.1% |
| Vectara Hallucination Rate | 9.5% | — |
| MMLU | — | 75.7% |
Multilingual Gemma 2 27B leads
C4ai Aya Expanse 8b: 36.1 (#242), Gemma 2 27B: 38.6 (#226)
| Benchmark | C4ai Aya Expanse 8b | Gemma 2 27B |
|---|---|---|
| LMArena Non-English | 1180 | 1217 |
| LMArena Chinese | 1181 | 1221 |
| LMArena German | 1188 | 1209 |
| LMArena Japanese | 1120 | 1175 |
| LMArena Russian | 1197 | 1234 |
| LMArena French | — | 1247 |
| LMArena Korean | — | 1174 |
| LMArena Spanish | — | 1228 |
Instruction Following Too close to call
C4ai Aya Expanse 8b: 60.1 (#253), Gemma 2 27B: 60.5 (#249)
| Benchmark | C4ai Aya Expanse 8b | Gemma 2 27B |
|---|---|---|
| LMArena Instruction Following | 1155 | 1206 |
| LiveBench Instruction Following | — | 58.1% |
Long Context Gemma 2 27B leads
C4ai Aya Expanse 8b: 36.1 (#236), Gemma 2 27B: 37.3 (#218)
| Benchmark | C4ai Aya Expanse 8b | Gemma 2 27B |
|---|---|---|
| LMArena Longer Query | 1191 | 1231 |
Writing & Preference Gemma 2 27B leads
C4ai Aya Expanse 8b: 39.0 (#250), Gemma 2 27B: 44.2 (#225)
| Benchmark | C4ai Aya Expanse 8b | Gemma 2 27B |
|---|---|---|
| LMArena Text | 1185 | 1231 |
| LMArena Creative Writing | 1168 | 1241 |
| LMArena Multi-Turn | 1160 | 1224 |
| LiveBench Language | — | 32.6% |
Frequently asked questions
Is C4ai Aya Expanse 8b better than Gemma 2 27B?
C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 29.4 on the Noometry Index.
Is C4ai Aya Expanse 8b or Gemma 2 27B better for coding?
They score almost the same on coding (33.8 vs 34.1); test both on your own repository before choosing.
How many benchmarks do C4ai Aya Expanse 8b and Gemma 2 27B share?
14 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Gemma 2 27B has 34.