# Gemini 2.0 Flash (Feb 2025) vs o3-mini

> o3-mini is the stronger model overall, scoring 36.7 to 34.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-2-0-flash-vs-o3-mini
- Last updated: 2026-10-10
- Shared benchmarks: 38

## Summary

- They share 38 benchmarks with published results for both. Gemini 2.0 Flash (Feb 2025) scores higher in 3 categories and o3-mini in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in coding, where o3-mini leads 41.4 to 28.2.
- The biggest single-benchmark swing is CadEval: 30% for Gemini 2.0 Flash (Feb 2025) and 54% for o3-mini.

## Snapshot

| | Gemini 2.0 Flash (Feb 2025) | o3-mini |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 34.8 | 36.7 |
| Rank | 223 | 205 |
| Context | — | 200K |
| Input $/M | — | $1.10 |
| Output $/M | — | $4.40 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 2.0 Flash (Feb 2025): 28.2 (#308)
- o3-mini: 41.4 (#116)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-mini |
|---|---|---|
| Aider Polyglot | 38.2% | 60.4% |
| WeirdML | 25.8% | 43.7% |
| LiveBench Coding | 63.4% | 82.7% |
| LMArena Coding | 1351 | 1378 |
| CadEval | 30% | 54% |
| SWE-bench Verified (bash only) | 13.5% | — |
| SciCode | — | 39.8% |
| GSO | — | 1.3% |
| BigCodeBench Instruct | 45.9% | — |
| BigCodeBench Complete | 59.9% | — |

## Agentic & Tool Use

- Gemini 2.0 Flash (Feb 2025): 28.0 (#85)
- o3-mini: 29.3 (#79)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-mini |
|---|---|---|
| TheAgentCompany | 11.4% | — |
| Cybench | — | 22.5% |

## Reasoning

- Gemini 2.0 Flash (Feb 2025): 15.2 (#308)
- o3-mini: 16.3 (#295)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-mini |
|---|---|---|
| ARC-AGI-2 | 1.3% | 3% |
| SimpleBench | 31.1% | 22.8% |
| LiveBench Reasoning | 78.2% | 89.6% |
| LMArena Hard Prompts | 1346 | 1366 |
| DTBench | 63.2% | 68.8% |
| LiveBench Data Analysis | 69.4% | 70.6% |
| Epoch Capabilities Index | 135.36 | 140.35 |
| LiveBench | 66.9% | 75.9% |
| Kagi LLM Benchmark | 37.8% | — |
| ARC-AGI-1 | — | 34.5% |
| CritPt | — | 0.3% |
| Chess Puzzles | — | 17% |
| EnigmaEval | 1.1% | — |
| Mystery Game Puzzles | — | 7% |
| LMCA | — | 19% |
| ForecastBench | — | 59.6 |

## Math

- Gemini 2.0 Flash (Feb 2025): 36.1 (#127)
- o3-mini: 27.6 (#236)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-mini |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 57.8% | 76.9% |
| LiveBench Math | 75.8% | 77.3% |
| LMArena Math | 1351 | 1396 |
| MATH Level 5 | 82.2% | 96.5% |
| FrontierMath (Feb 2025 set) | 1.7% | 12.4% |
| FrontierMath (Tiers 1-3) | — | 18.6% |
| FrontierMath Tier 4 | — | 0% |
| Omni-MATH | 45.9% | — |
| FrontierMath Tier 4 (v1) | — | 4.2% |

## Knowledge

- Gemini 2.0 Flash (Feb 2025): 32.0 (#207)
- o3-mini: 38.3 (#135)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-mini |
|---|---|---|
| GPQA Diamond | 64.1% | 77% |
| Confabulations | 12.4% | 17.9% |
| LMArena Expert | 1340 | 1364 |
| Humanity's Last Exam | 6.6% | — |
| SimpleQA Verified | — | 15.3% |
| MMLU-Pro | 73.7% | — |
| GPQA (HELM) | 55.6% | — |
| MMLU | 79.7% | — |

## Multimodal

- Gemini 2.0 Flash (Feb 2025): 35.9 (#74)
- o3-mini: —

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-mini |
|---|---|---|
| LMArena Vision | 1158 | — |
| GeoBench | 77% | — |

## Multilingual

- Gemini 2.0 Flash (Feb 2025): 47.6 (#144)
- o3-mini: 45.9 (#159)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-mini |
|---|---|---|
| LMArena Non-English | 1342 | 1319 |
| LMArena Chinese | 1373 | 1379 |
| LMArena French | 1390 | 1333 |
| LMArena German | 1354 | 1303 |
| LMArena Japanese | 1293 | 1286 |
| LMArena Korean | 1314 | 1314 |
| LMArena Russian | 1351 | 1304 |
| LMArena Spanish | 1363 | 1321 |

## Instruction Following

- Gemini 2.0 Flash (Feb 2025): 74.6 (#91)
- o3-mini: 75.3 (#67)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-mini |
|---|---|---|
| LiveBench Instruction Following | 85.8% | 84.4% |
| LMArena Instruction Following | 1336 | 1338 |
| IFEval | 84.1% | — |

## Long Context

- Gemini 2.0 Flash (Feb 2025): 38.1 (#198)
- o3-mini: 33.8 (#251)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-mini |
|---|---|---|
| Fiction.LiveBench | 61.1% | 50% |
| LMArena Longer Query | 1345 | 1343 |

## Writing & Preference

- Gemini 2.0 Flash (Feb 2025): 49.8 (#184)
- o3-mini: 50.4 (#177)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-mini |
|---|---|---|
| LMArena Text | 1354 | 1337 |
| LMArena Creative Writing | 1340 | 1286 |
| Short-Story Creative Writing | 73.8% | 61.7% |
| LMArena Multi-Turn | 1350 | 1320 |
| LiveBench Language | 51.3% | 50.7% |
| EQ-Bench Creative Writing | 1128 | — |
| WildBench | 80% | — |

## FAQ

### Is Gemini 2.0 Flash (Feb 2025) better than o3-mini?

o3-mini is the stronger model overall, scoring 36.7 to 34.8 on the Noometry Index.

### Is Gemini 2.0 Flash (Feb 2025) or o3-mini better for coding?

o3-mini scores higher on coding benchmarks: 41.4 versus 28.2 in the Noometry coding category.

### How many benchmarks do Gemini 2.0 Flash (Feb 2025) and o3-mini share?

38 benchmarks have published results for both models. Gemini 2.0 Flash (Feb 2025) has 54 scored results on Noometry and o3-mini has 51.