Model comparison
Gemini 2.0 Flash-Lite vs Gemini 3.1 Flash Lite
Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 37.8 on the Noometry Index.
Last verified . 20 shared benchmarks.
GoogleSummary
- They share 20 benchmarks with published results for both. Gemini 2.0 Flash-Lite scores higher in 1 category and Gemini 3.1 Flash Lite in 8 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Gemini 3.1 Flash Lite leads 60.9 to 51.7.
- The biggest single-benchmark swing is DTBench: 52.5% for Gemini 2.0 Flash-Lite and 76.8% for Gemini 3.1 Flash Lite.
Side by side
| Gemini 2.0 Flash-Lite | Gemini 3.1 Flash Lite | |
|---|---|---|
| Provider | ||
| Noometry Index | 37.8 | 40.8 |
| Released | 2025-02-05 | 2026-03-03 |
| Weights | Proprietary | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 66K |
| Input $ / M tokens | — | $0.25 |
| Output $ / M tokens | — | $1.50 |
| Results tracked | 32 | 38 |
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Category by category
Coding Too close to call
Gemini 2.0 Flash-Lite: 37.9 (#185), Gemini 3.1 Flash Lite: 37.8 (#188)
| Benchmark | Gemini 2.0 Flash-Lite | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Coding | 1322 | 1400 |
| LMArena WebDev | — | 1256 |
| SciCode | — | 41.9% |
| WeirdML | — | 52.2% |
| LiveBench Coding | 47.1% | — |
| ALE-Bench | — | 797.73 |
Agentic & Tool Use Not comparable
Gemini 2.0 Flash-Lite: —, Gemini 3.1 Flash Lite: 30.2 (#79)
| Benchmark | Gemini 2.0 Flash-Lite | Gemini 3.1 Flash Lite |
|---|---|---|
| DeepResearch Bench | — | 37.3% |
Reasoning Too close to call
Gemini 2.0 Flash-Lite: 22.0 (#210), Gemini 3.1 Flash Lite: 22.9 (#186)
| Benchmark | Gemini 2.0 Flash-Lite | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Hard Prompts | 1324 | 1407 |
| DTBench | 52.5% | 76.8% |
| ForecastBench | 57.1 | 54.4 |
| Kagi LLM Benchmark | — | 67.2% |
| NYT Connections (extended) | — | 8.2% |
| CritPt | — | 1.1% |
| Chess Puzzles | — | 25% |
| EnigmaEval | — | 3% |
| Thematic Generalization | — | 63.3% |
| LiveBench Reasoning | 50.1% | — |
| LiveBench Data Analysis | 65.5% | — |
| LMCA | — | 35% |
| Epoch Capabilities Index | — | 144.47 |
| LiveBench | 54.3% | — |
Math Gemini 3.1 Flash Lite leads
Gemini 2.0 Flash-Lite: 34.1 (#196), Gemini 3.1 Flash Lite: 40.7 (#90)
| Benchmark | Gemini 2.0 Flash-Lite | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Math | 1309 | 1428 |
| FrontierMath (Tiers 1-3) | — | 27.7% |
| OTIS Mock AIME 2024-2025 | — | 80% |
| Omni-MATH | 37.4% | — |
| LiveBench Math | 58.1% | — |
Knowledge Gemini 3.1 Flash Lite leads
Gemini 2.0 Flash-Lite: 35.0 (#189), Gemini 3.1 Flash Lite: 41.9 (#104)
| Benchmark | Gemini 2.0 Flash-Lite | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Expert | 1305 | 1398 |
| GPQA Diamond | — | 81.8% |
| Humanity's Last Exam | — | 8.6% |
| MMLU-Pro | 72% | — |
| Vectara Hallucination Rate | — | 8.2% |
| GPQA (HELM) | 50% | — |
Multimodal Gemini 3.1 Flash Lite leads
Gemini 2.0 Flash-Lite: 31.2 (#109), Gemini 3.1 Flash Lite: 39.4 (#60)
| Benchmark | Gemini 2.0 Flash-Lite | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Vision | 1100 | 1240 |
Multilingual Gemini 3.1 Flash Lite leads
Gemini 2.0 Flash-Lite: 46.0 (#161), Gemini 3.1 Flash Lite: 52.3 (#86)
| Benchmark | Gemini 2.0 Flash-Lite | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Non-English | 1323 | 1411 |
| LMArena Chinese | 1339 | 1461 |
| LMArena French | 1347 | 1424 |
| LMArena German | 1306 | 1429 |
| LMArena Japanese | 1301 | 1413 |
| LMArena Korean | 1325 | 1392 |
| LMArena Russian | 1328 | 1420 |
| LMArena Spanish | 1313 | 1421 |
Instruction Following Gemini 3.1 Flash Lite leads
Gemini 2.0 Flash-Lite: 70.4 (#163), Gemini 3.1 Flash Lite: 72.7 (#131)
| Benchmark | Gemini 2.0 Flash-Lite | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Instruction Following | 1305 | 1377 |
| LiveBench Instruction Following | 78.3% | — |
| IFEval | 82.4% | — |
Long Context Gemini 3.1 Flash Lite leads
Gemini 2.0 Flash-Lite: 40.1 (#160), Gemini 3.1 Flash Lite: 42.5 (#122)
| Benchmark | Gemini 2.0 Flash-Lite | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Longer Query | 1320 | 1394 |
Writing & Preference Gemini 3.1 Flash Lite leads
Gemini 2.0 Flash-Lite: 51.7 (#177), Gemini 3.1 Flash Lite: 60.9 (#94)
| Benchmark | Gemini 2.0 Flash-Lite | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Text | 1330 | 1416 |
| LMArena Creative Writing | 1319 | 1401 |
| LMArena Multi-Turn | 1307 | 1417 |
| WildBench | 79% | — |
| LiveBench Language | 34.3% | — |
Frequently asked questions
Is Gemini 2.0 Flash-Lite better than Gemini 3.1 Flash Lite?
Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.8 to 37.8 on the Noometry Index.
Is Gemini 2.0 Flash-Lite or Gemini 3.1 Flash Lite better for coding?
They score almost the same on coding (37.9 vs 37.8); test both on your own repository before choosing.
How many benchmarks do Gemini 2.0 Flash-Lite and Gemini 3.1 Flash Lite share?
20 benchmarks have published results for both models. Gemini 2.0 Flash-Lite has 32 scored results on Noometry and Gemini 3.1 Flash Lite has 38.