Model comparison
C4ai Aya Expanse 8b vs Claude 3.5 Sonnet
C4ai Aya Expanse 8b and Claude 3.5 Sonnet score almost the same on the Noometry Index (34.9 vs 34.6), so choose on price, context window or the category you care about most.
Last verified . 14 shared benchmarks.
CohereSummary
- They share 14 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 2 categories and Claude 3.5 Sonnet in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where C4ai Aya Expanse 8b leads 33.3 to 19.2.
- C4ai Aya Expanse 8b has downloadable open weights; the other is API-only.
Side by side
| C4ai Aya Expanse 8b | Claude 3.5 Sonnet | |
|---|---|---|
| Provider | Cohere | Anthropic |
| Noometry Index | 34.9 | 34.6 |
| Released | — | 2024-06-20 |
| Weights | Open | Proprietary |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 15 | 60 |
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Category by category
Coding Claude 3.5 Sonnet leads
C4ai Aya Expanse 8b: 33.8 (#252), Claude 3.5 Sonnet: 39.0 (#165)
| Benchmark | C4ai Aya Expanse 8b | Claude 3.5 Sonnet |
|---|---|---|
| LMArena Coding | 1160 | 1342 |
| Aider Polyglot | — | 51.6% |
| GSO | — | 4.6% |
| WeirdML | — | 40% |
| BigCodeBench Instruct | — | 46.8% |
| LiveBench Coding | — | 67.1% |
| BigCodeBench Complete | — | 58.6% |
| CadEval | — | 48% |
| HumanEval+ | — | 81.7% |
| MBPP+ | — | 74.3% |
Agentic & Tool Use Not comparable
C4ai Aya Expanse 8b: —, Claude 3.5 Sonnet: 32.3 (#67)
| Benchmark | C4ai Aya Expanse 8b | Claude 3.5 Sonnet |
|---|---|---|
| TheAgentCompany | — | 24% |
| Cybench | — | 17.5% |
| BALROG | — | 32.6% |
| METR Time Horizons | — | 45.2% |
Reasoning Too close to call
C4ai Aya Expanse 8b: 22.4 (#197), Claude 3.5 Sonnet: 23.1 (#183)
| Benchmark | C4ai Aya Expanse 8b | Claude 3.5 Sonnet |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1305 |
| SimpleBench | — | 41.4% |
| EnigmaEval | — | 0.9% |
| LiveBench Reasoning | — | 56.7% |
| DTBench | — | 67.8% |
| LiveBench Data Analysis | — | 55% |
| Epoch Capabilities Index | — | 133.55 |
| ForecastBench | — | 60.7 |
| LiveBench | — | 59% |
Math C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 33.3 (#203), Claude 3.5 Sonnet: 19.2 (#288)
| Benchmark | C4ai Aya Expanse 8b | Claude 3.5 Sonnet |
|---|---|---|
| LMArena Math | 1168 | 1307 |
| OTIS Mock AIME 2024-2025 | — | 8.5% |
| Omni-MATH | — | 27.6% |
| LiveBench Math | — | 52.3% |
| MATH Level 5 | — | 56.9% |
| FrontierMath (Feb 2025 set) | — | 2.1% |
| FrontierMath Tier 4 (v1) | — | 0% |
Knowledge C4ai Aya Expanse 8b leads
C4ai Aya Expanse 8b: 33.6 (#201), Claude 3.5 Sonnet: 28.6 (#245)
| Benchmark | C4ai Aya Expanse 8b | Claude 3.5 Sonnet |
|---|---|---|
| LMArena Expert | 1153 | 1265 |
| GPQA Diamond | — | 55.3% |
| Humanity's Last Exam | — | 4.1% |
| MMLU-Pro | — | 77.7% |
| Confabulations | — | 19.9% |
| Vectara Hallucination Rate | 9.5% | — |
| GPQA (HELM) | — | 56.5% |
| MMLU | — | 87.3% |
Multimodal Not comparable
C4ai Aya Expanse 8b: —, Claude 3.5 Sonnet: 26.5 (#120)
| Benchmark | C4ai Aya Expanse 8b | Claude 3.5 Sonnet |
|---|---|---|
| LMArena Vision | — | 1125 |
| Video-MME | — | 60% |
| GeoBench | — | 62% |
| VPCT | — | 33% |
Multilingual Claude 3.5 Sonnet leads
C4ai Aya Expanse 8b: 36.1 (#242), Claude 3.5 Sonnet: 43.2 (#185)
| Benchmark | C4ai Aya Expanse 8b | Claude 3.5 Sonnet |
|---|---|---|
| LMArena Non-English | 1180 | 1283 |
| LMArena Chinese | 1181 | 1272 |
| LMArena German | 1188 | 1297 |
| LMArena Japanese | 1120 | 1234 |
| LMArena Russian | 1197 | 1306 |
| LMArena French | — | 1305 |
| LMArena Korean | — | 1200 |
| LMArena Spanish | — | 1290 |
Instruction Following Claude 3.5 Sonnet leads
C4ai Aya Expanse 8b: 60.1 (#253), Claude 3.5 Sonnet: 68.8 (#182)
| Benchmark | C4ai Aya Expanse 8b | Claude 3.5 Sonnet |
|---|---|---|
| LMArena Instruction Following | 1155 | 1297 |
| LiveBench Instruction Following | — | 69.3% |
| IFEval | — | 85.5% |
Long Context Claude 3.5 Sonnet leads
C4ai Aya Expanse 8b: 36.1 (#236), Claude 3.5 Sonnet: 39.9 (#167)
| Benchmark | C4ai Aya Expanse 8b | Claude 3.5 Sonnet |
|---|---|---|
| LMArena Longer Query | 1191 | 1311 |
Writing & Preference Claude 3.5 Sonnet leads
C4ai Aya Expanse 8b: 39.0 (#250), Claude 3.5 Sonnet: 52.9 (#164)
| Benchmark | C4ai Aya Expanse 8b | Claude 3.5 Sonnet |
|---|---|---|
| LMArena Text | 1185 | 1298 |
| LMArena Creative Writing | 1168 | 1292 |
| LMArena Multi-Turn | 1160 | 1326 |
| Short-Story Creative Writing | — | 80.3% |
| EQ-Bench Creative Writing | — | 1451 |
| WildBench | — | 79.2% |
| LiveBench Language | — | 53.8% |
Frequently asked questions
Is C4ai Aya Expanse 8b better than Claude 3.5 Sonnet?
C4ai Aya Expanse 8b and Claude 3.5 Sonnet score almost the same on the Noometry Index (34.9 vs 34.6), so choose on price, context window or the category you care about most.
Is C4ai Aya Expanse 8b or Claude 3.5 Sonnet better for coding?
Claude 3.5 Sonnet scores higher on coding benchmarks: 39.0 versus 33.8 in the Noometry coding category.
How many benchmarks do C4ai Aya Expanse 8b and Claude 3.5 Sonnet share?
14 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Claude 3.5 Sonnet has 60.