# Gemini 2.0 Flash-Lite vs o3-mini

> Gemini 2.0 Flash-Lite is the stronger model overall, scoring 37.8 to 36.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-2-0-flash-lite-vs-o3-mini
- Last updated: 2026-10-10
- Shared benchmarks: 26

## Summary

- They share 26 benchmarks with published results for both. Gemini 2.0 Flash-Lite scores higher in 5 categories and o3-mini in 3 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in long context, where Gemini 2.0 Flash-Lite leads 40.1 to 33.8.
- The biggest single-benchmark swing is LiveBench Reasoning: 50.1% for Gemini 2.0 Flash-Lite and 89.6% for o3-mini.

## Snapshot

| | Gemini 2.0 Flash-Lite | o3-mini |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 37.8 | 36.7 |
| Rank | 194 | 212 |
| Context | — | 200K |
| Input $/M | — | $1.10 |
| Output $/M | — | $4.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 2.0 Flash-Lite: 37.9 (#185)
- o3-mini: 40.8 (#132)

| Benchmark | Gemini 2.0 Flash-Lite | o3-mini |
|---|---|---|
| LiveBench Coding | 47.1% | 82.7% |
| LMArena Coding | 1322 | 1378 |
| Aider Polyglot | — | 60.4% |
| SciCode | — | 39.8% |
| GSO | — | 1.3% |
| WeirdML | — | 43.7% |
| CadEval | — | 54% |

## Agentic & Tool Use

- Gemini 2.0 Flash-Lite: —
- o3-mini: 29.6 (#84)

| Benchmark | Gemini 2.0 Flash-Lite | o3-mini |
|---|---|---|
| Cybench | — | 22.5% |

## Reasoning

- Gemini 2.0 Flash-Lite: 22.0 (#210)
- o3-mini: 16.3 (#305)

| Benchmark | Gemini 2.0 Flash-Lite | o3-mini |
|---|---|---|
| LiveBench Reasoning | 50.1% | 89.6% |
| LMArena Hard Prompts | 1324 | 1366 |
| DTBench | 52.5% | 68.8% |
| LiveBench Data Analysis | 65.5% | 70.6% |
| ForecastBench | 57.1 | 59.6 |
| LiveBench | 54.3% | 75.9% |
| ARC-AGI-2 | — | 3% |
| SimpleBench | — | 22.8% |
| ARC-AGI-1 | — | 34.5% |
| CritPt | — | 0.3% |
| Chess Puzzles | — | 17% |
| Mystery Game Puzzles | — | 7% |
| LMCA | — | 19% |
| Epoch Capabilities Index | — | 140.34 |

## Math

- Gemini 2.0 Flash-Lite: 34.1 (#196)
- o3-mini: 28.1 (#244)

| Benchmark | Gemini 2.0 Flash-Lite | o3-mini |
|---|---|---|
| LiveBench Math | 58.1% | 77.3% |
| LMArena Math | 1309 | 1396 |
| FrontierMath (Tiers 1-3) | — | 18.6% |
| FrontierMath Tier 4 | — | 0% |
| OTIS Mock AIME 2024-2025 | — | 76.9% |
| Omni-MATH | 37.4% | — |
| MATH Level 5 | — | 96.5% |
| FrontierMath (Feb 2025 set) | — | 12.4% |
| FrontierMath Tier 4 (v1) | — | 4.2% |

## Knowledge

- Gemini 2.0 Flash-Lite: 35.0 (#189)
- o3-mini: 38.3 (#146)

| Benchmark | Gemini 2.0 Flash-Lite | o3-mini |
|---|---|---|
| LMArena Expert | 1305 | 1364 |
| GPQA Diamond | — | 77% |
| SimpleQA Verified | — | 15.3% |
| MMLU-Pro | 72% | — |
| Confabulations | — | 17.9% |
| GPQA (HELM) | 50% | — |

## Multimodal

- Gemini 2.0 Flash-Lite: 31.2 (#109)
- o3-mini: —

| Benchmark | Gemini 2.0 Flash-Lite | o3-mini |
|---|---|---|
| LMArena Vision | 1100 | — |

## Multilingual

- Gemini 2.0 Flash-Lite: 46.0 (#161)
- o3-mini: 45.7 (#164)

| Benchmark | Gemini 2.0 Flash-Lite | o3-mini |
|---|---|---|
| LMArena Non-English | 1323 | 1319 |
| LMArena Chinese | 1339 | 1379 |
| LMArena French | 1347 | 1334 |
| LMArena German | 1306 | 1303 |
| LMArena Japanese | 1301 | 1286 |
| LMArena Korean | 1325 | 1314 |
| LMArena Russian | 1328 | 1304 |
| LMArena Spanish | 1313 | 1321 |

## Instruction Following

- Gemini 2.0 Flash-Lite: 70.4 (#163)
- o3-mini: 75.1 (#72)

| Benchmark | Gemini 2.0 Flash-Lite | o3-mini |
|---|---|---|
| LiveBench Instruction Following | 78.3% | 84.4% |
| LMArena Instruction Following | 1305 | 1337 |
| IFEval | 82.4% | — |

## Long Context

- Gemini 2.0 Flash-Lite: 40.1 (#160)
- o3-mini: 33.8 (#256)

| Benchmark | Gemini 2.0 Flash-Lite | o3-mini |
|---|---|---|
| LMArena Longer Query | 1320 | 1343 |
| Fiction.LiveBench | — | 50% |

## Writing & Preference

- Gemini 2.0 Flash-Lite: 51.7 (#177)
- o3-mini: 50.3 (#182)

| Benchmark | Gemini 2.0 Flash-Lite | o3-mini |
|---|---|---|
| LMArena Text | 1330 | 1337 |
| LMArena Creative Writing | 1319 | 1286 |
| LMArena Multi-Turn | 1307 | 1320 |
| LiveBench Language | 34.3% | 50.7% |
| Short-Story Creative Writing | — | 61.7% |
| WildBench | 79% | — |

## FAQ

### Is Gemini 2.0 Flash-Lite better than o3-mini?

Gemini 2.0 Flash-Lite is the stronger model overall, scoring 37.8 to 36.7 on the Noometry Index.

### Is Gemini 2.0 Flash-Lite or o3-mini better for coding?

o3-mini scores higher on coding benchmarks: 40.8 versus 37.9 in the Noometry coding category.

### How many benchmarks do Gemini 2.0 Flash-Lite and o3-mini share?

26 benchmarks have published results for both models. Gemini 2.0 Flash-Lite has 32 scored results on Noometry and o3-mini has 51.