Model comparison
C4ai Aya Expanse 32b vs Yi-34B
C4ai Aya Expanse 32b is the stronger model overall, scoring 35.9 to 27.8 on the Noometry Index.
Last verified . 17 shared benchmarks.
CohereSummary
- They share 17 benchmarks with published results for both. C4ai Aya Expanse 32b scores higher in 8 categories and Yi-34B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where C4ai Aya Expanse 32b leads 33.2 to 7.5.
Side by side
| C4ai Aya Expanse 32b | Yi-34B | |
|---|---|---|
| Provider | Cohere | 01.AI |
| Noometry Index | 35.9 | 27.8 |
| Released | 2024-10-24 | 2023-11-02 |
| Weights | Open | Open |
| Context window | 128K | — |
| Max output | 4K | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 18 | 23 |
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Category by category
Coding C4ai Aya Expanse 32b leads
C4ai Aya Expanse 32b: 34.8 (#231), Yi-34B: 32.3 (#274)
| Benchmark | C4ai Aya Expanse 32b | Yi-34B |
|---|---|---|
| LMArena Coding | 1197 | 1112 |
Reasoning C4ai Aya Expanse 32b leads
C4ai Aya Expanse 32b: 23.3 (#180), Yi-34B: 21.2 (#226)
| Benchmark | C4ai Aya Expanse 32b | Yi-34B |
|---|---|---|
| LMArena Hard Prompts | 1193 | 1104 |
| BIG-Bench Hard | — | 71.7% |
| Epoch Capabilities Index | — | 117.39 |
Math C4ai Aya Expanse 32b leads
C4ai Aya Expanse 32b: 34.0 (#197), Yi-34B: 21.6 (#282)
| Benchmark | C4ai Aya Expanse 32b | Yi-34B |
|---|---|---|
| LMArena Math | 1200 | 1114 |
| MATH Level 5 | — | 5.1% |
| GSM8K | — | 76% |
Knowledge C4ai Aya Expanse 32b leads
C4ai Aya Expanse 32b: 33.2 (#206), Yi-34B: 7.5 (#309)
| Benchmark | C4ai Aya Expanse 32b | Yi-34B |
|---|---|---|
| LMArena Expert | 1182 | 1061 |
| GPQA Diamond | — | 14.7% |
| Vectara Hallucination Rate | 10.9% | — |
| MMLU | — | 76.3% |
Multilingual C4ai Aya Expanse 32b leads
C4ai Aya Expanse 32b: 38.4 (#230), Yi-34B: 29.7 (#264)
| Benchmark | C4ai Aya Expanse 32b | Yi-34B |
|---|---|---|
| LMArena Non-English | 1213 | 1079 |
| LMArena Chinese | 1211 | 1176 |
| LMArena French | 1248 | 1081 |
| LMArena German | 1199 | 1042 |
| LMArena Japanese | 1163 | 993 |
| LMArena Korean | 1158 | 959 |
| LMArena Russian | 1227 | 1050 |
| LMArena Spanish | 1193 | 1070 |
Instruction Following C4ai Aya Expanse 32b leads
C4ai Aya Expanse 32b: 62.6 (#237), Yi-34B: 56.2 (#274)
| Benchmark | C4ai Aya Expanse 32b | Yi-34B |
|---|---|---|
| LMArena Instruction Following | 1196 | 1091 |
Long Context C4ai Aya Expanse 32b leads
C4ai Aya Expanse 32b: 37.2 (#220), Yi-34B: 33.2 (#264)
| Benchmark | C4ai Aya Expanse 32b | Yi-34B |
|---|---|---|
| LMArena Longer Query | 1228 | 1094 |
Writing & Preference C4ai Aya Expanse 32b leads
C4ai Aya Expanse 32b: 42.2 (#235), Yi-34B: 34.1 (#273)
| Benchmark | C4ai Aya Expanse 32b | Yi-34B |
|---|---|---|
| LMArena Text | 1224 | 1129 |
| LMArena Creative Writing | 1200 | 1108 |
| LMArena Multi-Turn | 1190 | 1113 |
Frequently asked questions
Is C4ai Aya Expanse 32b better than Yi-34B?
C4ai Aya Expanse 32b is the stronger model overall, scoring 35.9 to 27.8 on the Noometry Index.
Is C4ai Aya Expanse 32b or Yi-34B better for coding?
C4ai Aya Expanse 32b scores higher on coding benchmarks: 34.8 versus 32.3 in the Noometry coding category.
How many benchmarks do C4ai Aya Expanse 32b and Yi-34B share?
17 benchmarks have published results for both models. C4ai Aya Expanse 32b has 18 scored results on Noometry and Yi-34B has 23.