Model comparison
Gemini 3.5 Flash vs Gemini 3.5 Flash Lite
Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 41.5 on the Noometry Index. Gemini 3.5 Flash Lite costs 4.0× less per token, which makes it the better buy when Gemini 3.5 Flash's lead doesn't matter for your workload.
Last verified . 38 shared benchmarks.
GoogleSummary
- They share 38 benchmarks with published results for both. Gemini 3.5 Flash scores higher in 9 categories and Gemini 3.5 Flash Lite in 1 category; 9 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.5 Flash leads 62.8 to 27.8.
- The biggest single-benchmark swing is ARC-AGI-2: 72.1% for Gemini 3.5 Flash and 10.3% for Gemini 3.5 Flash Lite.
- Gemini 3.5 Flash Lite is cheaper at $0.30 / $2.50 per million input/output tokens, against $1.50 / $9 for Gemini 3.5 Flash.
Side by side
| Gemini 3.5 Flash | Gemini 3.5 Flash Lite | |
|---|---|---|
| Provider | ||
| Noometry Index | 54.2 | 41.5 |
| Released | 2026-05-19 | 2026-07-21 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 1.05M |
| Max output | 66K | 66K |
| Input $ / M tokens | $1.50 | $0.30 |
| Output $ / M tokens | $9 | $2.50 |
| Results tracked | 54 | 39 |
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Category by category
Coding Gemini 3.5 Flash leads
Gemini 3.5 Flash: 49.4 (#49), Gemini 3.5 Flash Lite: 42.4 (#104)
| Benchmark | Gemini 3.5 Flash | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena WebDev | 1499 | 1440 |
| SciCode | 53.1% | 41.3% |
| WeirdML | 62.6% | 39% |
| LMArena Coding | 1492 | 1453 |
| ALE-Bench | 911.02 | 765.27 |
| SWE-bench Verified | 79.3% | — |
| DeepSWE | 37.4% | — |
Agentic & Tool Use Too close to call
Gemini 3.5 Flash: 24.7 (#114), Gemini 3.5 Flash Lite: 25.7 (#107)
| Benchmark | Gemini 3.5 Flash | Gemini 3.5 Flash Lite |
|---|---|---|
| APEX-Agents | 27.5% | 29.3% |
| GDP.pdf | 14% | 10% |
| GBAEval | 6.7% | — |
| Vending-Bench 2 | 5,396 | — |
Reasoning Gemini 3.5 Flash leads
Gemini 3.5 Flash: 62.8 (#18), Gemini 3.5 Flash Lite: 27.8 (#114)
| Benchmark | Gemini 3.5 Flash | Gemini 3.5 Flash Lite |
|---|---|---|
| ARC-AGI-2 | 72.1% | 10.3% |
| NYT Connections (extended) | 92.6% | 60.4% |
| ARC-AGI-1 | 92.5% | 53.5% |
| CritPt | 13.1% | 0% |
| Chess Puzzles | 50% | 22% |
| LMArena Hard Prompts | 1488 | 1441 |
| Mystery Game Puzzles | 32% | 19% |
| DTBench | 94.7% | 83.5% |
| LMCA | 47.1% | 37.6% |
| Epoch Capabilities Index | 154.46 | 145.13 |
| SimpleBench | 76.7% | — |
| EnigmaEval | 25.4% | — |
| EBR-Bench | 4.8% | — |
| Surface Evolver Bench | 58.1% | — |
| ForecastBench | 59 | — |
Math Gemini 3.5 Flash leads
Gemini 3.5 Flash: 60.7 (#36), Gemini 3.5 Flash Lite: 25.9 (#264)
| Benchmark | Gemini 3.5 Flash | Gemini 3.5 Flash Lite |
|---|---|---|
| FrontierMath (Tiers 1-3) | 62.8% | 26% |
| FrontierMath Tier 4 | 26.8% | 0% |
| OTIS Mock AIME 2024-2025 | 95.6% | 71.1% |
| ProofBench | 31% | 13% |
| LMArena Math | 1504 | 1433 |
| MathArena Final-Answer Competitions | 76.3% | — |
| FrontierMath (Feb 2025 set) | 39% | — |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge Gemini 3.5 Flash leads
Gemini 3.5 Flash: 66.3 (#11), Gemini 3.5 Flash Lite: 50.1 (#72)
| Benchmark | Gemini 3.5 Flash | Gemini 3.5 Flash Lite |
|---|---|---|
| GPQA Diamond | 92.8% | 83.3% |
| LMArena Expert | 1495 | 1435 |
| SimpleQA Verified | 66.2% | — |
Multimodal Gemini 3.5 Flash leads
Gemini 3.5 Flash: 45.7 (#15), Gemini 3.5 Flash Lite: 41.1 (#40)
| Benchmark | Gemini 3.5 Flash | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Vision | 1310 | 1268 |
| Blueprint-Bench 2 | 33.6% | — |
| LMArena Document | 1463 | — |
Multilingual Gemini 3.5 Flash leads
Gemini 3.5 Flash: 57.0 (#13), Gemini 3.5 Flash Lite: 53.5 (#63)
| Benchmark | Gemini 3.5 Flash | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Non-English | 1476 | 1427 |
| LMArena Chinese | 1526 | 1469 |
| LMArena French | 1490 | 1451 |
| LMArena German | 1492 | 1454 |
| LMArena Japanese | 1486 | 1427 |
| LMArena Korean | 1451 | 1407 |
| LMArena Russian | 1493 | 1443 |
| LMArena Spanish | 1480 | 1442 |
Instruction Following Gemini 3.5 Flash leads
Gemini 3.5 Flash: 77.0 (#30), Gemini 3.5 Flash Lite: 74.8 (#85)
| Benchmark | Gemini 3.5 Flash | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Instruction Following | 1467 | 1420 |
Long Context Gemini 3.5 Flash leads
Gemini 3.5 Flash: 45.4 (#38), Gemini 3.5 Flash Lite: 43.9 (#84)
| Benchmark | Gemini 3.5 Flash | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Longer Query | 1482 | 1435 |
Writing & Preference Gemini 3.5 Flash leads
Gemini 3.5 Flash: 65.5 (#47), Gemini 3.5 Flash Lite: 64.2 (#57)
| Benchmark | Gemini 3.5 Flash | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Text | 1482 | 1435 |
| LMArena Creative Writing | 1470 | 1420 |
| LMArena Multi-Turn | 1481 | 1445 |
| EQ-Bench Creative Writing | — | 1559 |
| EQ-Bench 4 | 1087 | — |
Frequently asked questions
Is Gemini 3.5 Flash better than Gemini 3.5 Flash Lite?
Gemini 3.5 Flash is the stronger model overall, scoring 54.2 to 41.5 on the Noometry Index. Gemini 3.5 Flash Lite costs 4.0× less per token, which makes it the better buy when Gemini 3.5 Flash's lead doesn't matter for your workload.
Which is cheaper, Gemini 3.5 Flash or Gemini 3.5 Flash Lite?
Gemini 3.5 Flash Lite is cheaper. It lists at $0.30 per million input tokens and $2.50 per million output tokens; Gemini 3.5 Flash lists at $1.50 and $9.
Is Gemini 3.5 Flash or Gemini 3.5 Flash Lite better for coding?
Gemini 3.5 Flash scores higher on coding benchmarks: 49.4 versus 42.4 in the Noometry coding category.
Which has the bigger context window?
Both accept 1.05M tokens.
How many benchmarks do Gemini 3.5 Flash and Gemini 3.5 Flash Lite share?
38 benchmarks have published results for both models. Gemini 3.5 Flash has 54 scored results on Noometry and Gemini 3.5 Flash Lite has 39.