Model comparison
Gemini 3.1 Flash Lite vs Gemini 3 Pro
Gemini 3 Pro is the stronger model overall, scoring 54.8 to 40.8 on the Noometry Index.
Last verified . 33 shared benchmarks.
GoogleSummary
- They share 33 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 0 categories and Gemini 3 Pro in 10 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3 Pro leads 52.5 to 22.9.
- The biggest single-benchmark swing is NYT Connections (extended): 8.2% for Gemini 3.1 Flash Lite and 94.4% for Gemini 3 Pro.
Side by side
| Gemini 3.1 Flash Lite | Gemini 3 Pro | |
|---|---|---|
| Provider | ||
| Noometry Index | 40.8 | 54.8 |
| Released | 2026-03-03 | 2025-11-18 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.25 | — |
| Output $ / M tokens | $1.50 | — |
| Results tracked | 38 | 67 |
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Category by category
Coding Gemini 3 Pro leads
Gemini 3.1 Flash Lite: 37.8 (#188), Gemini 3 Pro: 51.6 (#39)
| Benchmark | Gemini 3.1 Flash Lite | Gemini 3 Pro |
|---|---|---|
| LMArena WebDev | 1256 | 1440 |
| WeirdML | 52.2% | 69.9% |
| LMArena Coding | 1400 | 1481 |
| ALE-Bench | 797.73 | 1,177 |
| SWE-bench Verified | — | 72.9% |
| SWE-bench Verified (bash only) | — | 74.2% |
| SWE-bench Multilingual | — | 68.7% |
| SciCode | 41.9% | — |
| GSO | — | 18.6% |
| AlgoTune | — | 1.83 |
Agentic & Tool Use Gemini 3 Pro leads
Gemini 3.1 Flash Lite: 30.2 (#79), Gemini 3 Pro: 40.6 (#23)
| Benchmark | Gemini 3.1 Flash Lite | Gemini 3 Pro |
|---|---|---|
| DeepResearch Bench | 37.3% | 46.3% |
| 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% |
| BALROG | — | 58.1% |
| LMArena Search | — | 1207 |
| METR Time Horizons | — | 71% |
| Vending-Bench 2 | — | 5,478 |
Reasoning Gemini 3 Pro leads
Gemini 3.1 Flash Lite: 22.9 (#186), Gemini 3 Pro: 52.5 (#31)
| Benchmark | Gemini 3.1 Flash Lite | Gemini 3 Pro |
|---|---|---|
| Kagi LLM Benchmark | 67.2% | 80.1% |
| NYT Connections (extended) | 8.2% | 94.4% |
| CritPt | 1.1% | 6.9% |
| Chess Puzzles | 25% | 31% |
| EnigmaEval | 3% | 18.2% |
| LMArena Hard Prompts | 1407 | 1480 |
| Epoch Capabilities Index | 144.47 | 152.92 |
| ForecastBench | 54.4 | 61.2 |
| ARC-AGI-2 | — | 31.1% |
| SimpleBench | — | 76.4% |
| ARC-AGI-1 | — | 75% |
| Thematic Generalization | 63.3% | — |
| DTBench | 76.8% | — |
| LMCA | 35% | — |
Math Gemini 3 Pro leads
Gemini 3.1 Flash Lite: 40.7 (#90), Gemini 3 Pro: 49.9 (#59)
| Benchmark | Gemini 3.1 Flash Lite | Gemini 3 Pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 80% | 91.4% |
| LMArena Math | 1428 | 1476 |
| FrontierMath (Tiers 1-3) | 27.7% | — |
| MathArena Final-Answer Competitions | — | 67% |
| ProofBench | — | 20% |
| Omni-MATH | — | 55.5% |
| FrontierMath (Feb 2025 set) | — | 37.6% |
| FrontierMath Tier 4 (v1) | — | 18.8% |
Knowledge Gemini 3 Pro leads
Gemini 3.1 Flash Lite: 41.9 (#104), Gemini 3 Pro: 64.4 (#16)
| Benchmark | Gemini 3.1 Flash Lite | Gemini 3 Pro |
|---|---|---|
| GPQA Diamond | 81.8% | 92.6% |
| Humanity's Last Exam | 8.6% | 37.5% |
| Vectara Hallucination Rate | 8.2% | 13.6% |
| LMArena Expert | 1398 | 1475 |
| MMLU-Pro | — | 90.3% |
| GPQA (HELM) | — | 80.3% |
Multimodal Gemini 3 Pro leads
Gemini 3.1 Flash Lite: 39.4 (#60), Gemini 3 Pro: 57.6 (#2)
| Benchmark | Gemini 3.1 Flash Lite | Gemini 3 Pro |
|---|---|---|
| LMArena Vision | 1240 | 1305 |
| GeoBench | — | 84% |
| VPCT | — | 91% |
| LMArena Document | — | 1434 |
Multilingual Gemini 3 Pro leads
Gemini 3.1 Flash Lite: 52.3 (#86), Gemini 3 Pro: 56.9 (#16)
| Benchmark | Gemini 3.1 Flash Lite | Gemini 3 Pro |
|---|---|---|
| LMArena Non-English | 1411 | 1474 |
| LMArena Chinese | 1461 | 1523 |
| LMArena French | 1424 | 1492 |
| LMArena German | 1429 | 1515 |
| LMArena Japanese | 1413 | 1510 |
| LMArena Korean | 1392 | 1448 |
| LMArena Russian | 1420 | 1493 |
| LMArena Spanish | 1421 | 1470 |
Instruction Following Gemini 3 Pro leads
Gemini 3.1 Flash Lite: 72.7 (#131), Gemini 3 Pro: 76.3 (#45)
| Benchmark | Gemini 3.1 Flash Lite | Gemini 3 Pro |
|---|---|---|
| LMArena Instruction Following | 1377 | 1458 |
| IFEval | — | 87.7% |
Long Context Gemini 3 Pro leads
Gemini 3.1 Flash Lite: 42.5 (#122), Gemini 3 Pro: 44.0 (#79)
| Benchmark | Gemini 3.1 Flash Lite | Gemini 3 Pro |
|---|---|---|
| LMArena Longer Query | 1394 | 1471 |
| CL-bench | — | 15.8% |
Writing & Preference Gemini 3 Pro leads
Gemini 3.1 Flash Lite: 60.9 (#94), Gemini 3 Pro: 66.4 (#35)
| Benchmark | Gemini 3.1 Flash Lite | Gemini 3 Pro |
|---|---|---|
| LMArena Text | 1416 | 1479 |
| LMArena Creative Writing | 1401 | 1482 |
| LMArena Multi-Turn | 1417 | 1484 |
| EQ-Bench Creative Writing | — | 1525 |
| WildBench | — | 85.9% |
Frequently asked questions
Is Gemini 3.1 Flash Lite better than Gemini 3 Pro?
Gemini 3 Pro is the stronger model overall, scoring 54.8 to 40.8 on the Noometry Index.
Is Gemini 3.1 Flash Lite or Gemini 3 Pro better for coding?
Gemini 3 Pro scores higher on coding benchmarks: 51.6 versus 37.8 in the Noometry coding category.
How many benchmarks do Gemini 3.1 Flash Lite and Gemini 3 Pro share?
33 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Gemini 3 Pro has 67.