Model comparison
Gemini 2.0 Flash (Feb 2025) vs o3-pro
o3-pro is the stronger model overall, scoring 42.9 to 35.1 on the Noometry Index.
Last verified . 9 shared benchmarks.
GoogleSummary
- They share 9 benchmarks with published results for both. Gemini 2.0 Flash (Feb 2025) scores higher in 1 category and o3-pro in 4 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in long context, where o3-pro leads 72.2 to 38.1.
- The biggest single-benchmark swing is Aider Polyglot: 38.2% for Gemini 2.0 Flash (Feb 2025) and 84.9% for o3-pro.
Side by side
| Gemini 2.0 Flash (Feb 2025) | o3-pro | |
|---|---|---|
| Provider | OpenAI | |
| Noometry Index | 35.1 | 42.9 |
| Released | 2024-12-06 | 2025-06-10 |
| Weights | Proprietary | Proprietary |
| Context window | — | 200K |
| Max output | — | 100K |
| Input $ / M tokens | — | $20 |
| Output $ / M tokens | — | $80 |
| Results tracked | 54 | 12 |
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Category by category
Coding o3-pro leads
Gemini 2.0 Flash (Feb 2025): 28.4 (#315), o3-pro: 55.5 (#24)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-pro |
|---|---|---|
| Aider Polyglot | 38.2% | 84.9% |
| WeirdML | 25.8% | 58.2% |
| SWE-bench Verified (bash only) | 13.5% | — |
| BigCodeBench Instruct | 45.9% | — |
| LiveBench Coding | 63.4% | — |
| LMArena Coding | 1350 | — |
| BigCodeBench Complete | 59.9% | — |
| CadEval | 30% | — |
Agentic & Tool Use Not comparable
Gemini 2.0 Flash (Feb 2025): 28.1 (#92), o3-pro: —
| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-pro |
|---|---|---|
| TheAgentCompany | 11.4% | — |
Reasoning o3-pro leads
Gemini 2.0 Flash (Feb 2025): 15.2 (#318), o3-pro: 23.8 (#171)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-pro |
|---|---|---|
| ARC-AGI-2 | 1.3% | 4.9% |
| Kagi LLM Benchmark | 37.8% | 72.1% |
| DTBench | 63.2% | 86.9% |
| Epoch Capabilities Index | 135.36 | 147.42 |
| SimpleBench | 31.1% | — |
| ARC-AGI-1 | — | 59.3% |
| EnigmaEval | 1.1% | — |
| LiveBench Reasoning | 78.2% | — |
| LMArena Hard Prompts | 1346 | — |
| LiveBench Data Analysis | 69.4% | — |
| LMCA | — | 38.5% |
| LiveBench | 66.9% | — |
Math Not comparable
Gemini 2.0 Flash (Feb 2025): 37.9 (#146), o3-pro: —
| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 57.8% | — |
| Omni-MATH | 45.9% | — |
| LiveBench Math | 75.8% | — |
| LMArena Math | 1352 | — |
| MATH Level 5 | 82.2% | — |
| FrontierMath (Feb 2025 set) | 1.7% | — |
Knowledge Gemini 2.0 Flash (Feb 2025) leads
Gemini 2.0 Flash (Feb 2025): 32.0 (#213), o3-pro: 29.5 (#238)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-pro |
|---|---|---|
| Confabulations | 12.4% | 14.2% |
| GPQA Diamond | 64.1% | — |
| Humanity's Last Exam | 6.6% | — |
| MMLU-Pro | 73.7% | — |
| Vectara Hallucination Rate | — | 23.3% |
| GPQA (HELM) | 55.6% | — |
| LMArena Expert | 1339 | — |
| MMLU | 79.7% | — |
Multimodal Not comparable
Gemini 2.0 Flash (Feb 2025): 36.5 (#79), o3-pro: —
| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-pro |
|---|---|---|
| LMArena Vision | 1158 | — |
| GeoBench | 77% | — |
Multilingual Not comparable
Gemini 2.0 Flash (Feb 2025): 47.4 (#149), o3-pro: —
| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-pro |
|---|---|---|
| LMArena Non-English | 1342 | — |
| LMArena Chinese | 1373 | — |
| LMArena French | 1391 | — |
| LMArena German | 1353 | — |
| LMArena Japanese | 1294 | — |
| LMArena Korean | 1313 | — |
| LMArena Russian | 1351 | — |
| LMArena Spanish | 1363 | — |
Instruction Following Not comparable
Gemini 2.0 Flash (Feb 2025): 74.4 (#97), o3-pro: —
| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-pro |
|---|---|---|
| LiveBench Instruction Following | 85.8% | — |
| IFEval | 84.1% | — |
| LMArena Instruction Following | 1336 | — |
Long Context o3-pro leads
Gemini 2.0 Flash (Feb 2025): 38.1 (#203), o3-pro: 72.2 (#1)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-pro |
|---|---|---|
| Fiction.LiveBench | 61.1% | 97.2% |
| LMArena Longer Query | 1344 | — |
Writing & Preference o3-pro leads
Gemini 2.0 Flash (Feb 2025): 49.5 (#190), o3-pro: 57.1 (#133)
| Benchmark | Gemini 2.0 Flash (Feb 2025) | o3-pro |
|---|---|---|
| Short-Story Creative Writing | 73.8% | 84.4% |
| LMArena Text | 1354 | — |
| LMArena Creative Writing | 1340 | — |
| EQ-Bench Creative Writing | 1128 | — |
| WildBench | 80% | — |
| LMArena Multi-Turn | 1350 | — |
| LiveBench Language | 51.3% | — |
Frequently asked questions
Is Gemini 2.0 Flash (Feb 2025) better than o3-pro?
o3-pro is the stronger model overall, scoring 42.9 to 35.1 on the Noometry Index.
Is Gemini 2.0 Flash (Feb 2025) or o3-pro better for coding?
o3-pro scores higher on coding benchmarks: 55.5 versus 28.4 in the Noometry coding category.
How many benchmarks do Gemini 2.0 Flash (Feb 2025) and o3-pro share?
9 benchmarks have published results for both models. Gemini 2.0 Flash (Feb 2025) has 54 scored results on Noometry and o3-pro has 12.