Model comparison
Gemini 2.5 Flash-Lite vs Gemma 2 9B
Gemini 2.5 Flash-Lite is the stronger model overall, scoring 37.0 to 25.9 on the Noometry Index.
Last verified . 18 shared benchmarks.
GoogleSummary
- They share 18 benchmarks with published results for both. Gemini 2.5 Flash-Lite scores higher in 7 categories and Gemma 2 9B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 2.5 Flash-Lite leads 38.0 to 9.9.
- Gemma 2 9B has downloadable open weights; the other is API-only.
Side by side
| Gemini 2.5 Flash-Lite | Gemma 2 9B | |
|---|---|---|
| Provider | ||
| Noometry Index | 37.0 | 25.9 |
| Released | 2025-06-17 | 2024-06-24 |
| Weights | Proprietary | Open |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.10 | — |
| Output $ / M tokens | $0.40 | — |
| Results tracked | 33 | 35 |
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Category by category
Coding Gemini 2.5 Flash-Lite leads
Gemini 2.5 Flash-Lite: 38.5 (#173), Gemma 2 9B: 29.4 (#304)
| Benchmark | Gemini 2.5 Flash-Lite | Gemma 2 9B |
|---|---|---|
| LMArena Coding | 1373 | 1173 |
| WeirdML | 35.2% | — |
| BigCodeBench Instruct | — | 34.7% |
| LiveBench Coding | — | 22.5% |
| BigCodeBench Complete | — | 40.6% |
| ALE-Bench | 325.9 | — |
Agentic & Tool Use Not comparable
Gemini 2.5 Flash-Lite: 28.0 (#96), Gemma 2 9B: —
| Benchmark | Gemini 2.5 Flash-Lite | Gemma 2 9B |
|---|---|---|
| Berkeley Function Calling Leaderboard | 36.9% | — |
Reasoning Gemini 2.5 Flash-Lite leads
Gemini 2.5 Flash-Lite: 22.2 (#205), Gemma 2 9B: 15.9 (#309)
| Benchmark | Gemini 2.5 Flash-Lite | Gemma 2 9B |
|---|---|---|
| LMArena Hard Prompts | 1377 | 1171 |
| Epoch Capabilities Index | 133.94 | 119.83 |
| Kagi LLM Benchmark | 40.5% | — |
| LiveBench Reasoning | — | 15.2% |
| DTBench | 62.8% | — |
| LiveBench Data Analysis | — | 36.4% |
| LMCA | 18.1% | — |
| LiveBench | — | 28.7% |
| PIQA | — | 83.7% |
Math Gemini 2.5 Flash-Lite leads
Gemini 2.5 Flash-Lite: 38.0 (#144), Gemma 2 9B: 9.9 (#318)
| Benchmark | Gemini 2.5 Flash-Lite | Gemma 2 9B |
|---|---|---|
| LMArena Math | 1373 | 1183 |
| OTIS Mock AIME 2024-2025 | — | 0.6% |
| Omni-MATH | 48% | — |
| LiveBench Math | — | 19.8% |
| MATH Level 5 | — | 21% |
| GSM8K | — | 84.9% |
Knowledge Gemini 2.5 Flash-Lite leads
Gemini 2.5 Flash-Lite: 32.5 (#210), Gemma 2 9B: 9.7 (#305)
| Benchmark | Gemini 2.5 Flash-Lite | Gemma 2 9B |
|---|---|---|
| LMArena Expert | 1373 | 1147 |
| GPQA Diamond | — | 27.5% |
| MMLU-Pro | 53.7% | — |
| Vectara Hallucination Rate | 3.3% | — |
| GPQA (HELM) | 30.9% | — |
| BoolQ | — | 85.7% |
| MMLU | — | 72.1% |
Multimodal Not comparable
Gemini 2.5 Flash-Lite: 29.1 (#114), Gemma 2 9B: —
| Benchmark | Gemini 2.5 Flash-Lite | Gemma 2 9B |
|---|---|---|
| LMArena Vision | 1198 | — |
| VPCT | 30% | — |
Multilingual Gemini 2.5 Flash-Lite leads
Gemini 2.5 Flash-Lite: 49.3 (#134), Gemma 2 9B: 36.6 (#238)
| Benchmark | Gemini 2.5 Flash-Lite | Gemma 2 9B |
|---|---|---|
| LMArena Non-English | 1369 | 1188 |
| LMArena Chinese | 1404 | 1185 |
| LMArena French | 1388 | 1190 |
| LMArena German | 1389 | 1186 |
| LMArena Japanese | 1359 | 1144 |
| LMArena Korean | 1360 | 1137 |
| LMArena Russian | 1373 | 1200 |
| LMArena Spanish | 1396 | 1200 |
Instruction Following Gemini 2.5 Flash-Lite leads
Gemini 2.5 Flash-Lite: 70.0 (#168), Gemma 2 9B: 57.6 (#269)
| Benchmark | Gemini 2.5 Flash-Lite | Gemma 2 9B |
|---|---|---|
| LMArena Instruction Following | 1367 | 1178 |
| LiveBench Instruction Following | — | 52.6% |
| IFEval | 81% | — |
Long Context Gemma 2 9B leads
Gemini 2.5 Flash-Lite: 33.3 (#262), Gemma 2 9B: 36.3 (#233)
| Benchmark | Gemini 2.5 Flash-Lite | Gemma 2 9B |
|---|---|---|
| LMArena Longer Query | 1373 | 1197 |
| Fiction.LiveBench | 47.2% | — |
Writing & Preference Gemini 2.5 Flash-Lite leads
Gemini 2.5 Flash-Lite: 56.8 (#135), Gemma 2 9B: 32.1 (#281)
| Benchmark | Gemini 2.5 Flash-Lite | Gemma 2 9B |
|---|---|---|
| LMArena Text | 1379 | 1207 |
| LMArena Creative Writing | 1367 | 1206 |
| LMArena Multi-Turn | 1366 | 1193 |
| EQ-Bench Creative Writing | — | 841 |
| WildBench | 81.8% | — |
| LiveBench Language | — | 25.5% |
Frequently asked questions
Is Gemini 2.5 Flash-Lite better than Gemma 2 9B?
Gemini 2.5 Flash-Lite is the stronger model overall, scoring 37.0 to 25.9 on the Noometry Index.
Is Gemini 2.5 Flash-Lite or Gemma 2 9B better for coding?
Gemini 2.5 Flash-Lite scores higher on coding benchmarks: 38.5 versus 29.4 in the Noometry coding category.
How many benchmarks do Gemini 2.5 Flash-Lite and Gemma 2 9B share?
18 benchmarks have published results for both models. Gemini 2.5 Flash-Lite has 33 scored results on Noometry and Gemma 2 9B has 35.