Model comparison
Gemini 3.5 Flash vs Gemma 2 9B
Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 25.9 on the Noometry Index.
Last verified . 20 shared benchmarks.
GoogleSummary
- They share 20 benchmarks with published results for both. Gemini 3.5 Flash scores higher in 8 categories and Gemma 2 9B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 3.5 Flash leads 66.3 to 9.7.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 95.6% for Gemini 3.5 Flash and 0.6% for Gemma 2 9B.
- Gemma 2 9B has downloadable open weights; the other is API-only.
Side by side
| Gemini 3.5 Flash | Gemma 2 9B | |
|---|---|---|
| Provider | ||
| Noometry Index | 54.2 | 25.9 |
| Released | 2026-05-19 | 2024-06-24 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $1.50 | — |
| Output $ / M tokens | $9 | — |
| Results tracked | 54 | 35 |
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Category by category
Coding Gemini 3.5 Flash leads
Gemini 3.5 Flash: 49.4 (#49), Gemma 2 9B: 29.4 (#304)
| Benchmark | Gemini 3.5 Flash | Gemma 2 9B |
|---|---|---|
| LMArena Coding | 1492 | 1173 |
| SWE-bench Verified | 79.3% | — |
| DeepSWE | 37.4% | — |
| LMArena WebDev | 1499 | — |
| SciCode | 53.1% | — |
| WeirdML | 62.6% | — |
| BigCodeBench Instruct | — | 34.7% |
| LiveBench Coding | — | 22.5% |
| BigCodeBench Complete | — | 40.6% |
| ALE-Bench | 911.02 | — |
Agentic & Tool Use Not comparable
Gemini 3.5 Flash: 24.7 (#114), Gemma 2 9B: —
| Benchmark | Gemini 3.5 Flash | Gemma 2 9B |
|---|---|---|
| APEX-Agents | 27.5% | — |
| GBAEval | 6.7% | — |
| GDP.pdf | 14% | — |
| Vending-Bench 2 | 5,396 | — |
Reasoning Gemini 3.5 Flash leads
Gemini 3.5 Flash: 62.8 (#18), Gemma 2 9B: 15.9 (#309)
| Benchmark | Gemini 3.5 Flash | Gemma 2 9B |
|---|---|---|
| LMArena Hard Prompts | 1488 | 1171 |
| Epoch Capabilities Index | 154.46 | 119.83 |
| ARC-AGI-2 | 72.1% | — |
| SimpleBench | 76.7% | — |
| NYT Connections (extended) | 92.6% | — |
| ARC-AGI-1 | 92.5% | — |
| CritPt | 13.1% | — |
| Chess Puzzles | 50% | — |
| EnigmaEval | 25.4% | — |
| EBR-Bench | 4.8% | — |
| LiveBench Reasoning | — | 15.2% |
| Mystery Game Puzzles | 32% | — |
| DTBench | 94.7% | — |
| LiveBench Data Analysis | — | 36.4% |
| LMCA | 47.1% | — |
| Surface Evolver Bench | 58.1% | — |
| ForecastBench | 59 | — |
| LiveBench | — | 28.7% |
| PIQA | — | 83.7% |
Math Gemini 3.5 Flash leads
Gemini 3.5 Flash: 60.7 (#36), Gemma 2 9B: 9.9 (#318)
| Benchmark | Gemini 3.5 Flash | Gemma 2 9B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 95.6% | 0.6% |
| LMArena Math | 1504 | 1183 |
| FrontierMath (Tiers 1-3) | 62.8% | — |
| FrontierMath Tier 4 | 26.8% | — |
| MathArena Final-Answer Competitions | 76.3% | — |
| ProofBench | 31% | — |
| LiveBench Math | — | 19.8% |
| MATH Level 5 | — | 21% |
| FrontierMath (Feb 2025 set) | 39% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |
| GSM8K | — | 84.9% |
Knowledge Gemini 3.5 Flash leads
Gemini 3.5 Flash: 66.3 (#11), Gemma 2 9B: 9.7 (#305)
| Benchmark | Gemini 3.5 Flash | Gemma 2 9B |
|---|---|---|
| GPQA Diamond | 92.8% | 27.5% |
| LMArena Expert | 1495 | 1147 |
| SimpleQA Verified | 66.2% | — |
| BoolQ | — | 85.7% |
| MMLU | — | 72.1% |
Multimodal Not comparable
Gemini 3.5 Flash: 45.7 (#15), Gemma 2 9B: —
| Benchmark | Gemini 3.5 Flash | Gemma 2 9B |
|---|---|---|
| LMArena Vision | 1310 | — |
| Blueprint-Bench 2 | 33.6% | — |
| LMArena Document | 1463 | — |
Multilingual Gemini 3.5 Flash leads
Gemini 3.5 Flash: 57.0 (#13), Gemma 2 9B: 36.6 (#238)
| Benchmark | Gemini 3.5 Flash | Gemma 2 9B |
|---|---|---|
| LMArena Non-English | 1476 | 1188 |
| LMArena Chinese | 1526 | 1185 |
| LMArena French | 1490 | 1190 |
| LMArena German | 1492 | 1186 |
| LMArena Japanese | 1486 | 1144 |
| LMArena Korean | 1451 | 1137 |
| LMArena Russian | 1493 | 1200 |
| LMArena Spanish | 1480 | 1200 |
Instruction Following Gemini 3.5 Flash leads
Gemini 3.5 Flash: 77.0 (#30), Gemma 2 9B: 57.6 (#269)
| Benchmark | Gemini 3.5 Flash | Gemma 2 9B |
|---|---|---|
| LMArena Instruction Following | 1467 | 1178 |
| LiveBench Instruction Following | — | 52.6% |
Long Context Gemini 3.5 Flash leads
Gemini 3.5 Flash: 45.4 (#38), Gemma 2 9B: 36.3 (#233)
| Benchmark | Gemini 3.5 Flash | Gemma 2 9B |
|---|---|---|
| LMArena Longer Query | 1482 | 1197 |
Writing & Preference Gemini 3.5 Flash leads
Gemini 3.5 Flash: 65.5 (#47), Gemma 2 9B: 32.1 (#281)
| Benchmark | Gemini 3.5 Flash | Gemma 2 9B |
|---|---|---|
| LMArena Text | 1482 | 1207 |
| LMArena Creative Writing | 1470 | 1206 |
| LMArena Multi-Turn | 1481 | 1193 |
| EQ-Bench Creative Writing | — | 841 |
| EQ-Bench 4 | 1087 | — |
| LiveBench Language | — | 25.5% |
Frequently asked questions
Is Gemini 3.5 Flash better than Gemma 2 9B?
Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 25.9 on the Noometry Index.
Is Gemini 3.5 Flash or Gemma 2 9B better for coding?
Gemini 3.5 Flash scores higher on coding benchmarks: 49.4 versus 29.4 in the Noometry coding category.
How many benchmarks do Gemini 3.5 Flash and Gemma 2 9B share?
20 benchmarks have published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and Gemma 2 9B has 35.