Model comparison
C4ai Aya Expanse 8b vs Gemini 1.5 Flash (May 2024)
C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 33.2 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 Gemini 1.5 Flash (May 2024) 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 22.1.
- C4ai Aya Expanse 8b has downloadable open weights; the other is API-only.
Side by side
| C4ai Aya Expanse 8b | Gemini 1.5 Flash (May 2024) | |
|---|---|---|
| Provider | Cohere | |
| Noometry Index | 34.9 | 33.2 |
| Released | — | 2024-05-14 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 15 | 42 |
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Category by category
Coding Too close to call
C4ai Aya Expanse 8b: 33.8 (#252), Gemini 1.5 Flash (May 2024): 34.4 (#236)
| Benchmark | C4ai Aya Expanse 8b | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Coding | 1160 | 1261 |
| WeirdML | — | 24.9% |
| BigCodeBench Instruct | — | 43.5% |
| BigCodeBench Complete | — | 55.1% |
| HumanEval+ | — | 75.6% |
| MBPP+ | — | 67.5% |
Agentic & Tool Use Not comparable
C4ai Aya Expanse 8b: —, Gemini 1.5 Flash (May 2024): 26.6 (#102)
| Benchmark | C4ai Aya Expanse 8b | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| BALROG | — | 14.6% |
Reasoning Too close to call
C4ai Aya Expanse 8b: 22.4 (#197), Gemini 1.5 Flash (May 2024): 21.7 (#215)
| Benchmark | C4ai Aya Expanse 8b | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1257 |
| DTBench | — | 53.8% |
| Epoch Capabilities Index | — | 129.36 |
| ForecastBench | — | 53.9 |
| PIQA | — | 87.5% |
Math C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 33.3 (#203), Gemini 1.5 Flash (May 2024): 22.1 (#281)
| Benchmark | C4ai Aya Expanse 8b | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Math | 1168 | 1269 |
| OTIS Mock AIME 2024-2025 | — | 16.3% |
| Omni-MATH | — | 30.4% |
| MATH Level 5 | — | 61.9% |
| FrontierMath (Feb 2025 set) | — | 0% |
| GSM8K | — | 82.4% |
Knowledge C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 33.6 (#201), Gemini 1.5 Flash (May 2024): 26.2 (#260)
| Benchmark | C4ai Aya Expanse 8b | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Expert | 1153 | 1233 |
| GPQA Diamond | — | 47.3% |
| MMLU-Pro | — | 67.8% |
| Vectara Hallucination Rate | 9.5% | — |
| GPQA (HELM) | — | 43.7% |
| BoolQ | — | 85.8% |
| MMLU | — | 77.9% |
Multimodal Not comparable
C4ai Aya Expanse 8b: —, Gemini 1.5 Flash (May 2024): 36.0 (#81)
| Benchmark | C4ai Aya Expanse 8b | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Vision | — | 1141 |
| Video-MME | — | 70.3% |
| GeoBench | — | 76% |
Multilingual Gemini 1.5 Flash (May 2024) leads
C4ai Aya Expanse 8b: 36.1 (#242), Gemini 1.5 Flash (May 2024): 42.9 (#189)
| Benchmark | C4ai Aya Expanse 8b | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Non-English | 1180 | 1278 |
| LMArena Chinese | 1181 | 1295 |
| LMArena German | 1188 | 1262 |
| LMArena Japanese | 1120 | 1252 |
| LMArena Russian | 1197 | 1288 |
| LMArena French | — | 1258 |
| LMArena Korean | — | 1221 |
| LMArena Spanish | — | 1243 |
Instruction Following Gemini 1.5 Flash (May 2024) leads
C4ai Aya Expanse 8b: 60.1 (#253), Gemini 1.5 Flash (May 2024): 66.8 (#205)
| Benchmark | C4ai Aya Expanse 8b | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Instruction Following | 1155 | 1258 |
| IFEval | — | 83.1% |
Long Context Gemini 1.5 Flash (May 2024) leads
C4ai Aya Expanse 8b: 36.1 (#236), Gemini 1.5 Flash (May 2024): 39.0 (#187)
| Benchmark | C4ai Aya Expanse 8b | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Longer Query | 1191 | 1284 |
Writing & Preference Gemini 1.5 Flash (May 2024) leads
C4ai Aya Expanse 8b: 39.0 (#250), Gemini 1.5 Flash (May 2024): 48.7 (#196)
| Benchmark | C4ai Aya Expanse 8b | Gemini 1.5 Flash (May 2024) |
|---|---|---|
| LMArena Text | 1185 | 1287 |
| LMArena Creative Writing | 1168 | 1285 |
| LMArena Multi-Turn | 1160 | 1253 |
| WildBench | — | 79.2% |
Frequently asked questions
Is C4ai Aya Expanse 8b better than Gemini 1.5 Flash (May 2024)?
C4ai Aya Expanse 8b is the stronger model overall, scoring 34.9 to 33.2 on the Noometry Index.
Is C4ai Aya Expanse 8b or Gemini 1.5 Flash (May 2024) better for coding?
They score almost the same on coding (33.8 vs 34.4); test both on your own repository before choosing.
How many benchmarks do C4ai Aya Expanse 8b and Gemini 1.5 Flash (May 2024) share?
14 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Gemini 1.5 Flash (May 2024) has 42.