# Gemini 2.0 Flash (Feb 2025) vs o3

> o3 is the stronger model overall, scoring 47.4 to 34.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-2-0-flash-vs-o3
- Last updated: 2026-10-10
- Shared benchmarks: 43

## Summary

- They share 43 benchmarks with published results for both. Gemini 2.0 Flash (Feb 2025) scores higher in 1 category and o3 in 9 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where o3 leads 54.5 to 32.0.
- The biggest single-benchmark swing is SWE-bench Verified (bash only): 13.5% for Gemini 2.0 Flash (Feb 2025) and 58.4% for o3.

## Snapshot

| | Gemini 2.0 Flash (Feb 2025) | o3 |
|---|---|---|
| Provider | Google | OpenAI |
| Noometry Index | 34.8 | 47.4 |
| Rank | 223 | 53 |
| Context | — | 200K |
| Input $/M | — | $2 |
| Output $/M | — | $8 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 2.0 Flash (Feb 2025): 28.2 (#308)
- o3: 47.3 (#57)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3 |
|---|---|---|
| SWE-bench Verified (bash only) | 13.5% | 58.4% |
| Aider Polyglot | 38.2% | 81.3% |
| WeirdML | 25.8% | 52.4% |
| LMArena Coding | 1351 | 1408 |
| CadEval | 30% | 74% |
| SWE-bench Verified | — | 62.3% |
| GSO | — | 8.8% |
| BigCodeBench Instruct | 45.9% | — |
| LiveBench Coding | 63.4% | — |
| BigCodeBench Complete | 59.9% | — |
| ALE-Bench | — | 933.55 |

## Agentic & Tool Use

- Gemini 2.0 Flash (Feb 2025): 28.0 (#85)
- o3: 34.3 (#42)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3 |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 63% |
| GDPval | — | 30.8% |
| TheAgentCompany | 11.4% | — |
| DeepResearch Bench | — | 45.2% |
| OSWorld | — | 23% |
| LMArena Search | — | 1144 |
| METR Time Horizons | — | 65.4% |

## Reasoning

- Gemini 2.0 Flash (Feb 2025): 15.2 (#308)
- o3: 32.1 (#66)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3 |
|---|---|---|
| ARC-AGI-2 | 1.3% | 6.5% |
| SimpleBench | 31.1% | 53.1% |
| Kagi LLM Benchmark | 37.8% | 67.6% |
| EnigmaEval | 1.1% | 13.1% |
| LMArena Hard Prompts | 1346 | 1402 |
| DTBench | 63.2% | 84.8% |
| Epoch Capabilities Index | 135.36 | 146.88 |
| ARC-AGI-1 | — | 60.8% |
| CritPt | — | 1.4% |
| Chess Puzzles | — | 38% |
| LiveBench Reasoning | 78.2% | — |
| Mystery Game Puzzles | — | 29% |
| LiveBench Data Analysis | 69.4% | — |
| LMCA | — | 39.7% |
| ForecastBench | — | 62.5 |
| LiveBench | 66.9% | — |

## Math

- Gemini 2.0 Flash (Feb 2025): 36.1 (#127)
- o3: 48.9 (#49)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 57.8% | 84.4% |
| Omni-MATH | 45.9% | 71.4% |
| LMArena Math | 1351 | 1426 |
| MATH Level 5 | 82.2% | 97.8% |
| FrontierMath (Feb 2025 set) | 1.7% | 18.7% |
| FrontierMath (Tiers 1-3) | — | 33.3% |
| LiveBench Math | 75.8% | — |
| FrontierMath Tier 4 (v1) | — | 2.1% |

## Knowledge

- Gemini 2.0 Flash (Feb 2025): 32.0 (#207)
- o3: 54.5 (#47)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3 |
|---|---|---|
| GPQA Diamond | 64.1% | 81.8% |
| Humanity's Last Exam | 6.6% | 20.3% |
| MMLU-Pro | 73.7% | 85.9% |
| Confabulations | 12.4% | 14.4% |
| GPQA (HELM) | 55.6% | 75.3% |
| LMArena Expert | 1340 | 1403 |
| SimpleQA Verified | — | 49.4% |
| MMLU | 79.7% | — |

## Multimodal

- Gemini 2.0 Flash (Feb 2025): 35.9 (#74)
- o3: 40.7 (#35)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3 |
|---|---|---|
| LMArena Vision | 1158 | 1214 |
| GeoBench | 77% | 74% |
| VPCT | — | 52% |

## Multilingual

- Gemini 2.0 Flash (Feb 2025): 47.6 (#144)
- o3: 51.9 (#99)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3 |
|---|---|---|
| LMArena Non-English | 1342 | 1402 |
| LMArena Chinese | 1373 | 1438 |
| LMArena French | 1390 | 1430 |
| LMArena German | 1354 | 1420 |
| LMArena Japanese | 1293 | 1404 |
| LMArena Korean | 1314 | 1371 |
| LMArena Russian | 1351 | 1407 |
| LMArena Spanish | 1363 | 1395 |

## Instruction Following

- Gemini 2.0 Flash (Feb 2025): 74.6 (#91)
- o3: 73.0 (#122)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3 |
|---|---|---|
| IFEval | 84.1% | 86.9% |
| LMArena Instruction Following | 1336 | 1368 |
| LiveBench Instruction Following | 85.8% | — |

## Long Context

- Gemini 2.0 Flash (Feb 2025): 38.1 (#198)
- o3: 53.2 (#6)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3 |
|---|---|---|
| Fiction.LiveBench | 61.1% | 88.9% |
| LMArena Longer Query | 1345 | 1372 |
| CL-bench | — | 17.8% |

## Writing & Preference

- Gemini 2.0 Flash (Feb 2025): 49.8 (#184)
- o3: 63.7 (#62)

| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3 |
|---|---|---|
| LMArena Text | 1354 | 1410 |
| LMArena Creative Writing | 1340 | 1359 |
| Short-Story Creative Writing | 73.8% | 83.9% |
| EQ-Bench Creative Writing | 1128 | 1676 |
| WildBench | 80% | 86.1% |
| LMArena Multi-Turn | 1350 | 1405 |
| LiveBench Language | 51.3% | — |

## FAQ

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

o3 is the stronger model overall, scoring 47.4 to 34.8 on the Noometry Index.

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

o3 scores higher on coding benchmarks: 47.3 versus 28.2 in the Noometry coding category.

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

43 benchmarks have published results for both models. Gemini 2.0 Flash (Feb 2025) has 54 scored results on Noometry and o3 has 63.