# Gemini 3.1 Flash Lite vs o1

> Gemini 3.1 Flash Lite and o1 score almost the same on the Noometry Index (40.8 vs 40.9), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/gemini-3-1-flash-lite-vs-o1
- Last updated: 2026-10-10
- Shared benchmarks: 28

## Summary

- They share 28 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 6 categories and o1 in 4 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in coding, where o1 leads 46.1 to 37.8.
- The biggest single-benchmark swing is FrontierMath (Tiers 1-3): 27.7% for Gemini 3.1 Flash Lite and 14.7% for o1.
- Gemini 3.1 Flash Lite is cheaper at $0.25 / $1.50 per million input/output tokens, against $15 / $60 for o1.
- Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 200K.

## Snapshot

| | Gemini 3.1 Flash Lite | o1 |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 40.8 | 40.9 |
| Rank | 144 | 143 |
| Context | 1.05M | 200K |
| Input $/M | $0.25 | $15 |
| Output $/M | $1.50 | $60 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 3.1 Flash Lite: 37.8 (#188)
- o1: 46.1 (#70)

| Benchmark | Gemini 3.1 Flash Lite | o1 |
|---|---|---|
| WeirdML | 52.2% | 47.6% |
| LMArena Coding | 1400 | 1367 |
| Aider Polyglot | — | 61.7% |
| LMArena WebDev | 1256 | — |
| SciCode | 41.9% | — |
| LiveBench Coding | — | 69.7% |
| CadEval | — | 56% |
| ALE-Bench | 797.73 | — |
| HumanEval+ | — | 89% |
| MBPP+ | — | 80.2% |

## Agentic & Tool Use

- Gemini 3.1 Flash Lite: 30.2 (#79)
- o1: 24.6 (#117)

| Benchmark | Gemini 3.1 Flash Lite | o1 |
|---|---|---|
| Cybench | — | 10% |
| DeepResearch Bench | 37.3% | — |
| METR Time Horizons | — | 51.1% |

## Reasoning

- Gemini 3.1 Flash Lite: 22.9 (#186)
- o1: 27.9 (#111)

| Benchmark | Gemini 3.1 Flash Lite | o1 |
|---|---|---|
| Chess Puzzles | 25% | 15% |
| EnigmaEval | 3% | 5.7% |
| LMArena Hard Prompts | 1407 | 1371 |
| DTBench | 76.8% | 74.7% |
| LMCA | 35% | 22.3% |
| Epoch Capabilities Index | 144.47 | 141.91 |
| SimpleBench | — | 41.7% |
| Kagi LLM Benchmark | 67.2% | — |
| NYT Connections (extended) | 8.2% | — |
| ARC-AGI-1 | — | 30.7% |
| CritPt | 1.1% | — |
| Thematic Generalization | 63.3% | — |
| LiveBench Reasoning | — | 91.6% |
| LiveBench Data Analysis | — | 65.5% |
| ForecastBench | 54.4 | — |
| LiveBench | — | 75.7% |

## Math

- Gemini 3.1 Flash Lite: 40.7 (#90)
- o1: 36.1 (#175)

| Benchmark | Gemini 3.1 Flash Lite | o1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 27.7% | 14.7% |
| OTIS Mock AIME 2024-2025 | 80% | 73.3% |
| LMArena Math | 1428 | 1388 |
| LiveBench Math | — | 80.3% |
| MATH Level 5 | — | 94.7% |
| FrontierMath (Feb 2025 set) | — | 9.3% |

## Knowledge

- Gemini 3.1 Flash Lite: 41.9 (#104)
- o1: 41.5 (#110)

| Benchmark | Gemini 3.1 Flash Lite | o1 |
|---|---|---|
| GPQA Diamond | 81.8% | 76.8% |
| Humanity's Last Exam | 8.6% | 8% |
| LMArena Expert | 1398 | 1361 |
| SimpleQA Verified | — | 41.1% |
| Confabulations | — | 11.7% |
| Vectara Hallucination Rate | 8.2% | — |

## Multimodal

- Gemini 3.1 Flash Lite: 39.4 (#60)
- o1: 34.2 (#93)

| Benchmark | Gemini 3.1 Flash Lite | o1 |
|---|---|---|
| LMArena Vision | 1240 | 1168 |
| GeoBench | — | 80% |
| VPCT | — | 37% |
| SpatialViz-Bench | — | 41.4% |

## Multilingual

- Gemini 3.1 Flash Lite: 52.3 (#86)
- o1: 48.6 (#142)

| Benchmark | Gemini 3.1 Flash Lite | o1 |
|---|---|---|
| LMArena Non-English | 1411 | 1358 |
| LMArena Chinese | 1461 | 1394 |
| LMArena French | 1424 | 1344 |
| LMArena German | 1429 | 1337 |
| LMArena Japanese | 1413 | 1346 |
| LMArena Korean | 1392 | 1396 |
| LMArena Russian | 1420 | 1356 |
| LMArena Spanish | 1421 | 1345 |

## Instruction Following

- Gemini 3.1 Flash Lite: 72.7 (#131)
- o1: 74.8 (#86)

| Benchmark | Gemini 3.1 Flash Lite | o1 |
|---|---|---|
| LMArena Instruction Following | 1377 | 1367 |
| LiveBench Instruction Following | — | 81.5% |

## Long Context

- Gemini 3.1 Flash Lite: 42.5 (#122)
- o1: 50.3 (#9)

| Benchmark | Gemini 3.1 Flash Lite | o1 |
|---|---|---|
| LMArena Longer Query | 1394 | 1378 |
| Fiction.LiveBench | — | 83.3% |

## Writing & Preference

- Gemini 3.1 Flash Lite: 60.9 (#94)
- o1: 55.6 (#144)

| Benchmark | Gemini 3.1 Flash Lite | o1 |
|---|---|---|
| LMArena Text | 1416 | 1366 |
| LMArena Creative Writing | 1401 | 1348 |
| LMArena Multi-Turn | 1417 | 1369 |
| Short-Story Creative Writing | — | 70.2% |
| LiveBench Language | — | 65.4% |

## FAQ

### Is Gemini 3.1 Flash Lite better than o1?

Gemini 3.1 Flash Lite and o1 score almost the same on the Noometry Index (40.8 vs 40.9), so choose on price, context window or the category you care about most.

### Which is cheaper, Gemini 3.1 Flash Lite or o1?

Gemini 3.1 Flash Lite is cheaper. It lists at $0.25 per million input tokens and $1.50 per million output tokens; o1 lists at $15 and $60.

### Is Gemini 3.1 Flash Lite or o1 better for coding?

o1 scores higher on coding benchmarks: 46.1 versus 37.8 in the Noometry coding category.

### Which has the bigger context window?

Gemini 3.1 Flash Lite does, with 1.05M tokens against 200K.

### How many benchmarks do Gemini 3.1 Flash Lite and o1 share?

28 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and o1 has 52.