Model comparison
Gemini 3.5 Flash Lite vs o1
Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.8 to 40.6 on the Noometry Index.
Last verified . 27 shared benchmarks.
GoogleSummary
- They share 27 benchmarks with published results for both. Gemini 3.5 Flash Lite scores higher in 7 categories and o1 in 3 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where o1 leads 34.9 to 25.7.
- The biggest single-benchmark swing is ARC-AGI-1: 53.5% for Gemini 3.5 Flash Lite and 30.7% for o1.
- Gemini 3.5 Flash Lite is cheaper at $0.30 / $2.50 per million input/output tokens, against $15 / $60 for o1.
- Gemini 3.5 Flash Lite accepts more context: 1.05M tokens versus 200K.
Side by side
| Gemini 3.5 Flash Lite | o1 | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 41.8 | 40.6 |
| Released | 2026-07-21 | 2024-09-12 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 200K |
| Max output | 66K | 100K |
| Input $ / M tokens | $0.30 | $15 |
| Output $ / M tokens | $2.50 | $60 |
| Results tracked | 38 | 52 |
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Category by category
Coding o1 leads
Gemini 3.5 Flash Lite: 42.1 (#96), o1: 45.7 (#64)
| Benchmark | Gemini 3.5 Flash Lite | o1 |
|---|---|---|
| WeirdML | 39% | 47.6% |
| LMArena Coding | 1455 | 1367 |
| Aider Polyglot | — | 61.7% |
| LMArena WebDev | 1440 | — |
| SciCode | 41.3% | — |
| LiveBench Coding | — | 69.7% |
| CadEval | — | 56% |
| ALE-Bench | 765.27 | — |
| HumanEval+ | — | 89% |
| MBPP+ | — | 80.2% |
Agentic & Tool Use Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 28.6 (#82), o1: 24.3 (#111)
| Benchmark | Gemini 3.5 Flash Lite | o1 |
|---|---|---|
| Cybench | — | 10% |
| GDP.pdf | 10% | — |
| METR Time Horizons | — | 51.1% |
Reasoning Too close to call
Gemini 3.5 Flash Lite: 27.8 (#95), o1: 27.5 (#103)
| Benchmark | Gemini 3.5 Flash Lite | o1 |
|---|---|---|
| ARC-AGI-1 | 53.5% | 30.7% |
| Chess Puzzles | 22% | 15% |
| LMArena Hard Prompts | 1441 | 1372 |
| DTBench | 83.5% | 74.7% |
| LMCA | 37.6% | 22.3% |
| Epoch Capabilities Index | 145.12 | 141.92 |
| ARC-AGI-2 | 10.3% | — |
| SimpleBench | — | 41.7% |
| NYT Connections (extended) | 60.4% | — |
| CritPt | 0% | — |
| EnigmaEval | — | 5.7% |
| LiveBench Reasoning | — | 91.6% |
| Mystery Game Puzzles | 19% | — |
| LiveBench Data Analysis | — | 65.5% |
| LiveBench | — | 75.7% |
Math o1 leads
Gemini 3.5 Flash Lite: 25.7 (#245), o1: 34.9 (#150)
| Benchmark | Gemini 3.5 Flash Lite | o1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 26% | 14.7% |
| OTIS Mock AIME 2024-2025 | 71.1% | 73.3% |
| LMArena Math | 1431 | 1388 |
| FrontierMath Tier 4 | 0% | — |
| ProofBench | 13% | — |
| LiveBench Math | — | 80.3% |
| MATH Level 5 | — | 94.7% |
| FrontierMath (Feb 2025 set) | — | 9.3% |
Knowledge Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 50.0 (#66), o1: 41.5 (#101)
| Benchmark | Gemini 3.5 Flash Lite | o1 |
|---|---|---|
| GPQA Diamond | 83.3% | 76.8% |
| LMArena Expert | 1430 | 1362 |
| Humanity's Last Exam | — | 8% |
| SimpleQA Verified | — | 41.1% |
| Confabulations | — | 11.7% |
Multimodal Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 40.3 (#38), o1: 33.6 (#87)
| Benchmark | Gemini 3.5 Flash Lite | o1 |
|---|---|---|
| LMArena Vision | 1266 | 1168 |
| GeoBench | — | 80% |
| VPCT | — | 37% |
| SpatialViz-Bench | — | 41.4% |
Multilingual Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 53.8 (#59), o1: 48.8 (#137)
| Benchmark | Gemini 3.5 Flash Lite | o1 |
|---|---|---|
| LMArena Non-English | 1428 | 1359 |
| LMArena Chinese | 1467 | 1394 |
| LMArena French | 1452 | 1343 |
| LMArena German | 1454 | 1337 |
| LMArena Japanese | 1428 | 1346 |
| LMArena Korean | 1406 | 1396 |
| LMArena Russian | 1443 | 1356 |
| LMArena Spanish | 1440 | 1345 |
Instruction Following Too close to call
Gemini 3.5 Flash Lite: 75.0 (#77), o1: 75.0 (#82)
| Benchmark | Gemini 3.5 Flash Lite | o1 |
|---|---|---|
| LMArena Instruction Following | 1420 | 1368 |
| LiveBench Instruction Following | — | 81.5% |
Long Context o1 leads
Gemini 3.5 Flash Lite: 43.8 (#80), o1: 50.3 (#9)
| Benchmark | Gemini 3.5 Flash Lite | o1 |
|---|---|---|
| LMArena Longer Query | 1435 | 1378 |
| Fiction.LiveBench | — | 83.3% |
Writing & Preference Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 64.4 (#55), o1: 55.8 (#139)
| Benchmark | Gemini 3.5 Flash Lite | o1 |
|---|---|---|
| LMArena Text | 1436 | 1366 |
| LMArena Creative Writing | 1419 | 1347 |
| LMArena Multi-Turn | 1445 | 1368 |
| Short-Story Creative Writing | — | 70.2% |
| EQ-Bench Creative Writing | 1559 | — |
| LiveBench Language | — | 65.4% |
Frequently asked questions
Is Gemini 3.5 Flash Lite better than o1?
Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.8 to 40.6 on the Noometry Index.
Which is cheaper, Gemini 3.5 Flash Lite or o1?
Gemini 3.5 Flash Lite is cheaper. It lists at $0.30 per million input tokens and $2.50 per million output tokens; o1 lists at $15 and $60.
Is Gemini 3.5 Flash Lite or o1 better for coding?
o1 scores higher on coding benchmarks: 45.7 versus 42.1 in the Noometry coding category.
Which has the bigger context window?
Gemini 3.5 Flash Lite does, with 1.05M tokens against 200K.
How many benchmarks do Gemini 3.5 Flash Lite and o1 share?
27 benchmarks have published results for both models. Gemini 3.5 Flash Lite has 38 scored results on Noometry and o1 has 52.