Model comparison
C4ai Aya Expanse 8b vs Gemini 3 Pro
Gemini 3 Pro is the stronger model overall, scoring 54.7 to 34.3 on the Noometry Index.
Last verified . 15 shared benchmarks.
Cohere
GoogleSummary
- They share 15 benchmarks with published results for both. C4ai Aya Expanse 8b scores higher in 0 categories and Gemini 3 Pro in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 3 Pro leads 64.3 to 33.0.
- C4ai Aya Expanse 8b has downloadable open weights; the other is API-only.
Side by side
| C4ai Aya Expanse 8b | Gemini 3 Pro | |
|---|---|---|
| Provider | Cohere | |
| Noometry Index | 34.3 | 54.7 |
| Released | 2024-10-24 | 2025-11-18 |
| Weights | Open | Proprietary |
| Context window | 8K | — |
| Max output | 4K | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 15 | 67 |
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Category by category
Coding Gemini 3 Pro leads
C4ai Aya Expanse 8b: 33.2 (#252), Gemini 3 Pro: 52.1 (#33)
| Benchmark | C4ai Aya Expanse 8b | Gemini 3 Pro |
|---|---|---|
| LMArena Coding | 1161 | 1482 |
| SWE-bench Verified | — | 72.9% |
| SWE-bench Verified (bash only) | — | 74.2% |
| LMArena WebDev | — | 1439 |
| SWE-bench Multilingual | — | 68.7% |
| GSO | — | 18.6% |
| WeirdML | — | 69.9% |
| ALE-Bench | — | 1,177 |
| AlgoTune | — | 1.83 |
Agentic & Tool Use Not comparable
C4ai Aya Expanse 8b: —, Gemini 3 Pro: 40.5 (#21)
| Benchmark | C4ai Aya Expanse 8b | Gemini 3 Pro |
|---|---|---|
| Terminal-Bench | — | 69.4% |
| Berkeley Function Calling Leaderboard | — | 72.5% |
| GDPval | — | 40.3% |
| Remote Labor Index | — | 1.3% |
| τ²-bench Airline | — | 80.5% |
| τ²-bench Banking | — | 18% |
| τ²-bench Retail | — | 75.9% |
| τ²-bench Telecom | — | 91% |
| DeepResearch Bench | — | 46.3% |
| BALROG | — | 58.1% |
| LMArena Search | — | 1207 |
| METR Time Horizons | — | 71% |
| Vending-Bench 2 | — | 5,478 |
Reasoning Gemini 3 Pro leads
C4ai Aya Expanse 8b: 21.4 (#198), Gemini 3 Pro: 52.5 (#28)
| Benchmark | C4ai Aya Expanse 8b | Gemini 3 Pro |
|---|---|---|
| LMArena Hard Prompts | 1156 | 1481 |
| ARC-AGI-2 | — | 31.1% |
| SimpleBench | — | 76.4% |
| Kagi LLM Benchmark | — | 80.1% |
| NYT Connections (extended) | — | 94.4% |
| ARC-AGI-1 | — | 75% |
| CritPt | — | 6.9% |
| Chess Puzzles | — | 31% |
| EnigmaEval | — | 18.2% |
| Epoch Capabilities Index | — | 152.96 |
| ForecastBench | — | 61.2 |
Math Gemini 3 Pro leads
C4ai Aya Expanse 8b: 30.8 (#204), Gemini 3 Pro: 48.8 (#50)
| Benchmark | C4ai Aya Expanse 8b | Gemini 3 Pro |
|---|---|---|
| LMArena Math | 1168 | 1475 |
| MathArena Final-Answer Competitions | — | 67% |
| OTIS Mock AIME 2024-2025 | — | 91.4% |
| ProofBench | — | 20% |
| Omni-MATH | — | 55.5% |
| FrontierMath (Feb 2025 set) | — | 37.6% |
| FrontierMath Tier 4 (v1) | — | 18.8% |
Knowledge Gemini 3 Pro leads
C4ai Aya Expanse 8b: 33.0 (#197), Gemini 3 Pro: 64.3 (#15)
| Benchmark | C4ai Aya Expanse 8b | Gemini 3 Pro |
|---|---|---|
| Vectara Hallucination Rate | 9.5% | 13.6% |
| LMArena Expert | 1153 | 1475 |
| GPQA Diamond | — | 92.6% |
| Humanity's Last Exam | — | 37.5% |
| MMLU-Pro | — | 90.3% |
| GPQA (HELM) | — | 80.3% |
Multimodal Not comparable
C4ai Aya Expanse 8b: —, Gemini 3 Pro: 56.9 (#1)
| Benchmark | C4ai Aya Expanse 8b | Gemini 3 Pro |
|---|---|---|
| LMArena Vision | — | 1305 |
| GeoBench | — | 84% |
| VPCT | — | 91% |
| LMArena Document | — | 1434 |
Multilingual Gemini 3 Pro leads
C4ai Aya Expanse 8b: 36.3 (#237), Gemini 3 Pro: 57.1 (#14)
| Benchmark | C4ai Aya Expanse 8b | Gemini 3 Pro |
|---|---|---|
| LMArena Non-English | 1180 | 1474 |
| LMArena Chinese | 1181 | 1522 |
| LMArena German | 1188 | 1517 |
| LMArena Japanese | 1120 | 1513 |
| LMArena Russian | 1197 | 1493 |
| LMArena French | — | 1492 |
| LMArena Korean | — | 1449 |
| LMArena Spanish | — | 1468 |
Instruction Following Gemini 3 Pro leads
C4ai Aya Expanse 8b: 60.4 (#248), Gemini 3 Pro: 76.4 (#42)
| Benchmark | C4ai Aya Expanse 8b | Gemini 3 Pro |
|---|---|---|
| LMArena Instruction Following | 1155 | 1458 |
| IFEval | — | 87.7% |
Long Context Gemini 3 Pro leads
C4ai Aya Expanse 8b: 36.1 (#231), Gemini 3 Pro: 44.0 (#75)
| Benchmark | C4ai Aya Expanse 8b | Gemini 3 Pro |
|---|---|---|
| LMArena Longer Query | 1192 | 1472 |
| CL-bench | — | 15.8% |
Writing & Preference Gemini 3 Pro leads
C4ai Aya Expanse 8b: 39.2 (#245), Gemini 3 Pro: 66.6 (#34)
| Benchmark | C4ai Aya Expanse 8b | Gemini 3 Pro |
|---|---|---|
| LMArena Text | 1185 | 1479 |
| LMArena Creative Writing | 1168 | 1482 |
| LMArena Multi-Turn | 1160 | 1484 |
| EQ-Bench Creative Writing | — | 1525 |
| WildBench | — | 85.9% |
Frequently asked questions
Is C4ai Aya Expanse 8b better than Gemini 3 Pro?
Gemini 3 Pro is the stronger model overall, scoring 54.7 to 34.3 on the Noometry Index.
Is C4ai Aya Expanse 8b or Gemini 3 Pro better for coding?
Gemini 3 Pro scores higher on coding benchmarks: 52.1 versus 33.2 in the Noometry coding category.
How many benchmarks do C4ai Aya Expanse 8b and Gemini 3 Pro share?
15 benchmarks have published results for both models. C4ai Aya Expanse 8b has 15 scored results on Noometry and Gemini 3 Pro has 67.